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    34 vulnerabilities found for Apache MINA SSHD by Apache Software Foundation

    CVE-2026-94053 (GCVE-0-2026-94053)

    Vulnerability from nvd – Published: 2026-09-30 09:43 – Updated: 2026-09-30 14:30
    VLAI
    Title
    Apache MINA SSHD: LDAP injection in sshd-ldap
    Summary
    Authentication bypass via LDAP injection in component sshd-ldap in Apache MINA SSHD versions 1.2.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5. Apache MINA SSHD is a Java library for client-side and server-side SSH. The optional sshd-ldap component provides support for integrating password and publickey authentication on the server side with an LDAP server. sshd-ldap is an optional component. SSH servers implemented with Apache MINA SSHD are affected only if they use sshd-ldap and do configure it to be used for password of public key authentication. Other Apache MINA SSHD servers are not affected. Lack of escaping LDAP filter metacharacters enabled successful authentication with username "*" and password "*". Users are recommended to upgrade affected applications to version 2.20.0 or 3.0.0-M6, which fix this issue by properly escaping filter parameters according to RFC 4515.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-30 14:29 UTC
    CWE
    • CWE-90 - Improper neutralization of special elements used in an LDAP query ('LDAP injection')
    • CWE-305 - Authentication bypass by primary weakness
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 1.2.0 , < 2.20.0 (maven)
    Affected: 3.0.0-M1 , < 3.0.0-M6 (maven)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-94052 (GCVE-0-2026-94052)

    Vulnerability from nvd – Published: 2026-09-30 09:34 – Updated: 2026-09-30 14:32
    VLAI
    Title
    Apache MINA SSHD: LDAP password authentication ineffective
    Summary
    A missing check in LdapPasswordAuthenticator in component sshd-ldap in Apache MINA SSHD versions 1.2.0 to 2.19.0 or 3.0.0-M1 to 3.0.0-M5 bypassed authentication checks. Apache MINA SSHD is a Java library for client-side and server-side SSH. The optional sshd-ldap component provides support for integrating password and publickey authentication on the server side with an LDAP server. sshd-ldap is an optional component. SSH servers implemented with Apache MINA SSHD are affected only if they use sshd-ldap and do configure an LdapPasswordAuthenticator to be used for password authentication. Normal password authentication via the built-in mechanisms in sshd-core is _not_ affected by this vulnerability, which concerns only LdapPasswordAuthenticator. Users are recommended to upgrade affected applications to version 2.20.0 or 3.0.0-M6, which fix this issue.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-30 14:32 UTC
    CWE
    • CWE-304 - Missing critical step in authentication
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 1.2.0 , < 2.20.0 (maven)
    Affected: 3.0.0-M1 , < 3.0.0-M6 (maven)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-94029 (GCVE-0-2026-94029)

    Vulnerability from nvd – Published: 2026-09-30 09:35 – Updated: 2026-09-30 19:42
    VLAI
    Title
    Apache MINA SSHD: Memory exhaustion in SFTP v6 check-file-name/check-file-handle extension
    Summary
    Server-side memory exhaustion in Apache MINA SSHD 1.0.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5, component sshd-sftp, in the SFTP v6 check-file-name/check-file-handle extension. Apache MINA SSHD is a Java library for client-side and server-side SSH. Using a very small "block size" (for instance 256, which is the minimum) on a huge file generates many (file size / block size) hashes. The resulting SFTP reply message was accumulated fully in memory server-side, which could, with a suitably large (possibly sparse) file exhaust the server-side memory, taking down the server. Users are recommended to upgrade to version 2.20.0 or 3.0.0-M6, which fix this issue by imposing a maximum limit on the size of the reply. Many SFTP implementations have a general limit on the size of SFTP messages anyway; typically 256kB as in OpenSSH or also in Apache MINA SSHD.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-30 19:42 UTC
    CWE
    • CWE-770 - Allocation of resources without limits or throttling
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 1.0.0 , < 2.20.0 (maven)
    Affected: 3.0.0-M1 , < 3.0.0-M6 (maven)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-94002 (GCVE-0-2026-94002)

    Vulnerability from nvd – Published: 2026-09-30 09:37 – Updated: 2026-09-30 14:31
    VLAI
    Title
    Apache MINA SSHD: Memory exhaustion in SFTP client via unsolicited SFTP replies
    Summary
    Possible memory exhaustion in SFTP clients (DefaultSftpClient) in component sshd-sftp in Apache MINA SSHD versions 0.9.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5. Apache MINA SSHD is a Java library for client-side and server-side SSH. The sshd-sftp component provides support for SFTP. The SFTP client implementation, when receiving a reply, did not check that this reply corresponded to a request sent earlier. Unsolicited replies would be stored but never consumed. A malicious server could keep sending unsolicited replies until available memory in the client was exhausted. Users are recommended to upgrade to version 2.20.0 or 3.0.0-M6, which fix this issue.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-30 14:31 UTC
    CWE
    • CWE-770 - Allocation of resources without limits or throttling
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 0.9.0 , < 2.20.0 (maven)
    Affected: 3.0.0-M1 , < 3.0.0-M6 (maven)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-93996 (GCVE-0-2026-93996)

    Vulnerability from nvd – Published: 2026-09-30 09:37 – Updated: 2026-09-30 14:31
    VLAI
    Title
    Apache MINA SSHD: Memory exhaustion DoS via unbounded SCP command line read
    Summary
    Uncontrolled resource consumption in component ssd-scp in Apache MINA SSHD versions up to 2.19.0 or 3.0.0-M1 to 3.0.0-M5. Apache MINA SSHD is a Java library for client-side and server-side SSH. Component sshd-scp of Apache MINA SSHD provides a Java implementation of SCP. The SCP command protocol is line-oriented with LF-terminated lines. The protocol handler in sshd-scp did not impose any limit on the length of such protocol lines. A malicious peer just sending a junk command containing a never-ending sequence of characters but never a LF would cause the receiver to allocate memory to store this whole junk command, exhausting memory and crashing the application with an OutOfMemoryError. Users are recommended to upgrade to version 2.20.0 or 3.0.0-M6, which fix this issue by enforcing an upper limit on the length of SCP protocol lines.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-30 14:31 UTC
    CWE
    • CWE-770 - Allocation of resources without limits or throttling
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 0 , < 2.20.0 (maven)
    Affected: 3.0.0-M1 , < 3.0.0-M6 (maven)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-93995 (GCVE-0-2026-93995)

    Vulnerability from nvd – Published: 2026-09-30 09:38 – Updated: 2026-09-30 14:30
    VLAI
    Title
    Apache MINA SSHD: Remote execution of JGit "archive -o=file.zip" can write file on the server
    Summary
    Improper input validation in sshd-git in Apache MINA SSHD, versions up to 2.19.0 and 3.0.0-M1 to 3.0.0-M5. Apache MINA SSHD is a Java library for client-side and server-side SSH. Component org.apache.sshd:sshd-git provides though class GitPgmCommandFactory a way to configure an Apache MINA SSHD server such that authenticated SSH clients can remotely execute git commands via the JGit library on git repositories stored on the server. In CVE-2026-58624 this mechanism was restricted to only a few git commands, including "git archive" without "--output" or "-o" options such that the resulting archive would not be written on the server but instead sent back to the client over the SSH connection. The fix done for CVE-2026-58624 was insufficient as it missed removing the single-argument "-o=file.zip" version of the command parameter from the "archive" command. Users are recommended to upgrade to version 2.20.0 or 3.0.0-M6, which fix this issue.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-30 14:30 UTC
    CWE
    • CWE-20 - Improper Input Validation
    References
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 0 , < 2.20.0 (maven)
    Affected: 3.0.0-M1 , < 3.0.0-M6 (maven)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-93994 (GCVE-0-2026-93994)

    Vulnerability from nvd – Published: 2026-09-30 09:45 – Updated: 2026-09-30 14:29
    VLAI
    Title
    Apache MINA SSHD: Repeated-publickey policy bypass on server
    Summary
    Apache MINA SSHD is a Java library for client-side and server-side SSH. SSH servers can be configured to require multi-authentication schemes, for instance two different public keys, not just one. In OpenSSH, this would be done by setting in sshd_config AuthenticationMethods "publickey,publickey". Apache MINA SSHD provides an equivalent configuration mechanism. In Apache MINA SSHD versions up to 2.19.0 and 3.0.0-M1 to 3.0.0-M5 the server code in component sshd-core does not enforce that the two public keys presented are different. A user can thus successfully authenticate with only one of the two key pairs required by presenting this single key twice. This is a partial authentication bypass. Users are recommended to upgrade to version 2.20.0 or 3.0.0-M6, which fix this issue.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-30 14:29 UTC
    CWE
    • CWE-304 - Missing critical step in authentication
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 0 , < 2.20.0 (maven)
    Affected: 3.0.0-M1 , < 3.0.0-M6 (maven)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-77185 (GCVE-0-2026-77185)

    Vulnerability from nvd – Published: 2026-09-30 09:47 – Updated: 2026-09-30 16:52
    VLAI
    Title
    Apache MINA SSHD: Asynchronous authentication can bypass signature verification
    Summary
    Authentication bypass in sshd-core in Apache MINA SSHD versions 2.0.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5 for a certain (presumed rare) way to implement an SSH server. Apache MINA SSHD is a Java library for client- and server-side SSH. In the server part of the library, a mechanism to perform "asynchronous authentication" exists. A server implemented with Apache MINA SSHD must contain explicit code to make use of this feature. The implementation of this feature was flawed and could potentially lead to skipping checking the signature in public-key or hostbased authentication, or returning a wrong result. Users are recommended to upgrade to Apache MINA SSHD 2.20.0 or 3.0.0-M6, which fix the logic error and which additionally forbid the use of this "asynchronous authentication" mechanism with the public-key or hostbased authentication schemes: if used, the SSH session will be closed and the server will log an entry indicating that asynchronous authentication may be used only with password or keyboard-interactive authentication.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-30 16:51 UTC
    CWE
    • CWE-305 - Authentication Bypass by Primary Weakness
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 2.0.0 , < 2.20.0 (maven)
    Affected: 3.0.0-M1 , < 3.0.0-M6 (maven)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-58624 (GCVE-0-2026-58624)

    Vulnerability from nvd – Published: 2026-07-20 20:27 – Updated: 2026-07-21 17:15
    VLAI
    Title
    Apache MINA SSHD: Remote execution of JGit commands can write files on the server
    Summary
    Improper input validation in sshd-git in Apache MINA SSHD. Apache MINA SSHD is a Java library for client-side and server-side SSH. Component org.apache.sshd:sshd-git provides though its GitPgmCommandFactory a way to configure an Apache MINA SSHD server such that SSH clients can remotely execute git commands via the JGit library on git repositories stored on the server. This GitPgmCommandFactory allowed a user authenticated via SSH to run any JGit command available, including commands that could write files at arbitrary places such as git archive with the --output option. Affected are SSH servers implemented with Apache MINA SSHD and using the GitPgmCommandFactory. If the GitPgmCommandFactory is not configured on the server, the server is not affected. It is recommended to upgrade affected servers to Apache MINA SSHD 2.19.0 or 3.0.0-M5, which fix this issue. The issue is fixed by restricting the available commands to a small whitelist of uncritical commands (such as git log). git archive is also allowed, but its --output argument is ignored and the archive is always sent through the SSH channel to the client.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-21 16:52 UTC
    CWE
    • CWE-20 - Improper Input Validation
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 2.0.0 , ≤ 2.18.0 (maven)
    Affected: 3.0.0-M1 , ≤ 3.0.0-M4 (maven)
    Create a notification for this product.
    Credits
    Show details on NVD website

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    CVE-2026-56624 (GCVE-0-2026-56624)

    Vulnerability from nvd – Published: 2026-07-20 20:28 – Updated: 2026-07-23 03:56
    VLAI
    Title
    Apache MINA SSHD: SSH certificate options lack validations
    Summary
    Improper certificate validation in Apache MINA SSHD (server-side). Apache MINA SSHD is a Java library for client-side and server-side SSH. Server-side OpenSSH user certificate validation during user authentication in an Apache MINA SSHD server did not check for the unsupported force-command or verify-required options that could be embedded in the certificate, nor did it validate these options. As a result it was possible that a user could authenticate with such a certificate that included a force-command option but still was able to execute other commands. What other command exactly would be available to the user depends on the implementation of the server. This issue is fixed in Apache MINA SSHD 2.19.0 and 3.0.0-M5. Applications are advised to upgrade to these versions. The fix rejects OpenSSH user certificates that include these options, since Apache MINA SSHD implements neither force-command nor sk-*-cert-v01@openssh.com user certificates (which are the only ones for which verify-required would make sense).
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-22 00:00 UTC
    CWE
    • CWE-295 - Improper Certificate Validation
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 2.0.0 , ≤ 2.18.0 (maven)
    Affected: 3.0.0-M1 , ≤ 3.0.0-M4 (maven)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-56623 (GCVE-0-2026-56623)

    Vulnerability from nvd – Published: 2026-07-20 20:29 – Updated: 2026-07-21 17:15
    VLAI
    Title
    Apache MINA SSHD: Path traversal in org.apache.sshd:sshd-git on Windows
    Summary
    Path traversal on Windows in Apache MINA SSHD component sshd-git. Apache MINA SSHD is a Java library for client-side and server-side SSH. A git server implemented with Apache MINA SSHD component sshd-git and running on Windows could allow an authenticated remote user access to git repositories outside of the configured server-side root directory. The path validation applied for CVE-2026-48827 in Apache MINA SSHD 2.18.0 and 3.0.0-M4 was partly ineffective for Servers running on Windows. Applications are affected if they use org.apache.sshd:sshd-git to implement a git server and run on Windows. Applications not using sshd-git or not running on Windows are not affected. Users are advised to upgrade affected applications to Apache MINA SSHD 2.19.0, which fixes the issue. The issue also is present in the pre-release milestones 3.0.0-M1 to 3.0.0-M4 for a new upcoming new major version 3.0.0. Again, applications are affected only if they use sshd-git and run on Windows. Upgrade affected applications to 3.0.0-M5.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-21 17:07 UTC
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    References
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 2.0.0 , ≤ 2.18.0 (maven)
    Affected: 3.0.0-M1 , ≤ 3.0.0-M4 (maven)
    Create a notification for this product.
    Credits
    Show details on NVD website

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    CVE-2026-56452 (GCVE-0-2026-56452)

    Vulnerability from nvd – Published: 2026-07-20 20:26 – Updated: 2026-07-21 17:15
    VLAI
    Title
    Apache MINA SSHD: Path traversal in SCP file reception
    Summary
    Path traversal in the sshd-scp component of Apache MINA SSHD. Apache MINA SSHD is a Java library for client-side and server-side SSH. The implementation of receiving files or directories via SCP did not validate filenames in SCP "C" or "D" commands. A malicious sender could send filenames containing paths, resulting in files to be written in attacker-controlled places. The issue affects only * applications that use no longer supported Apache MINA SSHD versions < 2.0.0 and use the SCP functions to receive files, * or applications using sshd-scp in Apache MINA SSHD >= 2.0.0 to receive files. Applications using Apache MINA SSHD >= 2.0.0 not using sshd-scp are not affected. The issue is fixed in Apache MINA 2.19.0 and 3.0.0-M5. Affected applications are advised to upgrade to these versions.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-21 17:10 UTC
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    • CWE-73 - External Control of File Name or Path
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 0 , ≤ 2.18.0 (maven)
    Affected: 3.0.0-M1 , ≤ 3.0.0-M4 (maven)
    Create a notification for this product.
    Credits
    Show details on NVD website

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    CVE-2026-48827 (GCVE-0-2026-48827)

    Vulnerability from nvd – Published: 2026-06-01 08:37 – Updated: 2026-06-01 12:44
    VLAI
    Title
    Apache MINA SSHD: Path traversal in org.apache.sshd:sshd-git
    Summary
    Path traversal vulnerability in Apache MINA SSHD bundle sshd-git. Lack of path validation in git-upload-pack, git-receive-pack, and other git operations allows users authenticated over SSH access to git repositories outside the configured git server root directory. Applications are affected if they use org.apache.sshd:sshd-git. Applications not using sshd-git are not affected. Users are advised to upgrade affected applications to Apche MINA SSHD 2.18.0, which fixes the issue. The issue also is present in the pre-release milestones 3.0.0-M1 to 3.0.0-M3 for a new upcoming new major version 3.0.0. Again, applications are affected only if they use sshd-git. Upgrade affected applications to 3.0.0-M4. We would like to point out that a professional git server should not rely solely on file system layout and permissions, but should implement additional security controls to govern access to git repositories and operations allowed on particular git repositories.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-06-01 12:44 UTC
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 2.0.0 , ≤ 2.17.1 (maven)
    Affected: 3.0.0-M1 , ≤ 3.0.0-M3 (maven)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-41909 (GCVE-0-2024-41909)

    Vulnerability from nvd – Published: 2024-08-12 16:00 – Updated: 2025-03-27 15:31
    VLAI
    Title
    Apache MINA SSHD: integrity check bypass
    Summary
    Like many other SSH implementations, Apache MINA SSHD suffered from the issue that is more widely known as CVE-2023-48795. An attacker that can intercept traffic between client and server could drop certain packets from the stream, potentially causing client and server to consequently end up with a connection for which some security features have been downgraded or disabled, aka a Terrapin attack The mitigations to prevent this type of attack were implemented in Apache MINA SSHD 2.12.0, both client and server side. Users are recommended to upgrade to at least this version. Note that both the client and the server implementation must have mitigations applied against this issue, otherwise the connection may still be affected.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2024-09-04 14:03 UTC
    CWE
    • CWE-354 - Improper Validation of Integrity Check Value
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 0 , ≤ 2.11.0 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2023-35887 (GCVE-0-2023-35887)

    Vulnerability from nvd – Published: 2023-07-10 09:28 – Updated: 2024-10-07 19:40
    VLAI
    Title
    Apache MINA SSHD: Information disclosure bugs with RootedFilesystem
    Summary
    Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Software Foundation Apache MINA. In SFTP servers implemented using Apache MINA SSHD that use a RootedFileSystem, logged users may be able to discover "exists/does not exist" information about items outside the rooted tree via paths including parent navigation ("..") beyond the root, or involving symlinks. This issue affects Apache MINA: from 1.0 before 2.10. Users are recommended to upgrade to 2.10
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2024-10-07 19:40 UTC
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    References
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 1.0 , < 2.10 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-77185 (GCVE-0-2026-77185)

    Vulnerability from cvelistv5 – Published: 2026-09-30 09:47 – Updated: 2026-09-30 16:52
    VLAI
    Title
    Apache MINA SSHD: Asynchronous authentication can bypass signature verification
    Summary
    Authentication bypass in sshd-core in Apache MINA SSHD versions 2.0.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5 for a certain (presumed rare) way to implement an SSH server. Apache MINA SSHD is a Java library for client- and server-side SSH. In the server part of the library, a mechanism to perform "asynchronous authentication" exists. A server implemented with Apache MINA SSHD must contain explicit code to make use of this feature. The implementation of this feature was flawed and could potentially lead to skipping checking the signature in public-key or hostbased authentication, or returning a wrong result. Users are recommended to upgrade to Apache MINA SSHD 2.20.0 or 3.0.0-M6, which fix the logic error and which additionally forbid the use of this "asynchronous authentication" mechanism with the public-key or hostbased authentication schemes: if used, the SSH session will be closed and the server will log an entry indicating that asynchronous authentication may be used only with password or keyboard-interactive authentication.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-30 16:51 UTC
    CWE
    • CWE-305 - Authentication Bypass by Primary Weakness
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 2.0.0 , < 2.20.0 (maven)
    Affected: 3.0.0-M1 , < 3.0.0-M6 (maven)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-93994 (GCVE-0-2026-93994)

    Vulnerability from cvelistv5 – Published: 2026-09-30 09:45 – Updated: 2026-09-30 14:29
    VLAI
    Title
    Apache MINA SSHD: Repeated-publickey policy bypass on server
    Summary
    Apache MINA SSHD is a Java library for client-side and server-side SSH. SSH servers can be configured to require multi-authentication schemes, for instance two different public keys, not just one. In OpenSSH, this would be done by setting in sshd_config AuthenticationMethods "publickey,publickey". Apache MINA SSHD provides an equivalent configuration mechanism. In Apache MINA SSHD versions up to 2.19.0 and 3.0.0-M1 to 3.0.0-M5 the server code in component sshd-core does not enforce that the two public keys presented are different. A user can thus successfully authenticate with only one of the two key pairs required by presenting this single key twice. This is a partial authentication bypass. Users are recommended to upgrade to version 2.20.0 or 3.0.0-M6, which fix this issue.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-30 14:29 UTC
    CWE
    • CWE-304 - Missing critical step in authentication
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 0 , < 2.20.0 (maven)
    Affected: 3.0.0-M1 , < 3.0.0-M6 (maven)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-94053 (GCVE-0-2026-94053)

    Vulnerability from cvelistv5 – Published: 2026-09-30 09:43 – Updated: 2026-09-30 14:30
    VLAI
    Title
    Apache MINA SSHD: LDAP injection in sshd-ldap
    Summary
    Authentication bypass via LDAP injection in component sshd-ldap in Apache MINA SSHD versions 1.2.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5. Apache MINA SSHD is a Java library for client-side and server-side SSH. The optional sshd-ldap component provides support for integrating password and publickey authentication on the server side with an LDAP server. sshd-ldap is an optional component. SSH servers implemented with Apache MINA SSHD are affected only if they use sshd-ldap and do configure it to be used for password of public key authentication. Other Apache MINA SSHD servers are not affected. Lack of escaping LDAP filter metacharacters enabled successful authentication with username "*" and password "*". Users are recommended to upgrade affected applications to version 2.20.0 or 3.0.0-M6, which fix this issue by properly escaping filter parameters according to RFC 4515.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-30 14:29 UTC
    CWE
    • CWE-90 - Improper neutralization of special elements used in an LDAP query ('LDAP injection')
    • CWE-305 - Authentication bypass by primary weakness
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 1.2.0 , < 2.20.0 (maven)
    Affected: 3.0.0-M1 , < 3.0.0-M6 (maven)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-93995 (GCVE-0-2026-93995)

    Vulnerability from cvelistv5 – Published: 2026-09-30 09:38 – Updated: 2026-09-30 14:30
    VLAI
    Title
    Apache MINA SSHD: Remote execution of JGit "archive -o=file.zip" can write file on the server
    Summary
    Improper input validation in sshd-git in Apache MINA SSHD, versions up to 2.19.0 and 3.0.0-M1 to 3.0.0-M5. Apache MINA SSHD is a Java library for client-side and server-side SSH. Component org.apache.sshd:sshd-git provides though class GitPgmCommandFactory a way to configure an Apache MINA SSHD server such that authenticated SSH clients can remotely execute git commands via the JGit library on git repositories stored on the server. In CVE-2026-58624 this mechanism was restricted to only a few git commands, including "git archive" without "--output" or "-o" options such that the resulting archive would not be written on the server but instead sent back to the client over the SSH connection. The fix done for CVE-2026-58624 was insufficient as it missed removing the single-argument "-o=file.zip" version of the command parameter from the "archive" command. Users are recommended to upgrade to version 2.20.0 or 3.0.0-M6, which fix this issue.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-30 14:30 UTC
    CWE
    • CWE-20 - Improper Input Validation
    References
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 0 , < 2.20.0 (maven)
    Affected: 3.0.0-M1 , < 3.0.0-M6 (maven)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-93996 (GCVE-0-2026-93996)

    Vulnerability from cvelistv5 – Published: 2026-09-30 09:37 – Updated: 2026-09-30 14:31
    VLAI
    Title
    Apache MINA SSHD: Memory exhaustion DoS via unbounded SCP command line read
    Summary
    Uncontrolled resource consumption in component ssd-scp in Apache MINA SSHD versions up to 2.19.0 or 3.0.0-M1 to 3.0.0-M5. Apache MINA SSHD is a Java library for client-side and server-side SSH. Component sshd-scp of Apache MINA SSHD provides a Java implementation of SCP. The SCP command protocol is line-oriented with LF-terminated lines. The protocol handler in sshd-scp did not impose any limit on the length of such protocol lines. A malicious peer just sending a junk command containing a never-ending sequence of characters but never a LF would cause the receiver to allocate memory to store this whole junk command, exhausting memory and crashing the application with an OutOfMemoryError. Users are recommended to upgrade to version 2.20.0 or 3.0.0-M6, which fix this issue by enforcing an upper limit on the length of SCP protocol lines.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-30 14:31 UTC
    CWE
    • CWE-770 - Allocation of resources without limits or throttling
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 0 , < 2.20.0 (maven)
    Affected: 3.0.0-M1 , < 3.0.0-M6 (maven)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-94002 (GCVE-0-2026-94002)

    Vulnerability from cvelistv5 – Published: 2026-09-30 09:37 – Updated: 2026-09-30 14:31
    VLAI
    Title
    Apache MINA SSHD: Memory exhaustion in SFTP client via unsolicited SFTP replies
    Summary
    Possible memory exhaustion in SFTP clients (DefaultSftpClient) in component sshd-sftp in Apache MINA SSHD versions 0.9.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5. Apache MINA SSHD is a Java library for client-side and server-side SSH. The sshd-sftp component provides support for SFTP. The SFTP client implementation, when receiving a reply, did not check that this reply corresponded to a request sent earlier. Unsolicited replies would be stored but never consumed. A malicious server could keep sending unsolicited replies until available memory in the client was exhausted. Users are recommended to upgrade to version 2.20.0 or 3.0.0-M6, which fix this issue.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-30 14:31 UTC
    CWE
    • CWE-770 - Allocation of resources without limits or throttling
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 0.9.0 , < 2.20.0 (maven)
    Affected: 3.0.0-M1 , < 3.0.0-M6 (maven)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-94029 (GCVE-0-2026-94029)

    Vulnerability from cvelistv5 – Published: 2026-09-30 09:35 – Updated: 2026-09-30 19:42
    VLAI
    Title
    Apache MINA SSHD: Memory exhaustion in SFTP v6 check-file-name/check-file-handle extension
    Summary
    Server-side memory exhaustion in Apache MINA SSHD 1.0.0 to 2.19.0 and 3.0.0-M1 to 3.0.0-M5, component sshd-sftp, in the SFTP v6 check-file-name/check-file-handle extension. Apache MINA SSHD is a Java library for client-side and server-side SSH. Using a very small "block size" (for instance 256, which is the minimum) on a huge file generates many (file size / block size) hashes. The resulting SFTP reply message was accumulated fully in memory server-side, which could, with a suitably large (possibly sparse) file exhaust the server-side memory, taking down the server. Users are recommended to upgrade to version 2.20.0 or 3.0.0-M6, which fix this issue by imposing a maximum limit on the size of the reply. Many SFTP implementations have a general limit on the size of SFTP messages anyway; typically 256kB as in OpenSSH or also in Apache MINA SSHD.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-30 19:42 UTC
    CWE
    • CWE-770 - Allocation of resources without limits or throttling
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 1.0.0 , < 2.20.0 (maven)
    Affected: 3.0.0-M1 , < 3.0.0-M6 (maven)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-94052 (GCVE-0-2026-94052)

    Vulnerability from cvelistv5 – Published: 2026-09-30 09:34 – Updated: 2026-09-30 14:32
    VLAI
    Title
    Apache MINA SSHD: LDAP password authentication ineffective
    Summary
    A missing check in LdapPasswordAuthenticator in component sshd-ldap in Apache MINA SSHD versions 1.2.0 to 2.19.0 or 3.0.0-M1 to 3.0.0-M5 bypassed authentication checks. Apache MINA SSHD is a Java library for client-side and server-side SSH. The optional sshd-ldap component provides support for integrating password and publickey authentication on the server side with an LDAP server. sshd-ldap is an optional component. SSH servers implemented with Apache MINA SSHD are affected only if they use sshd-ldap and do configure an LdapPasswordAuthenticator to be used for password authentication. Normal password authentication via the built-in mechanisms in sshd-core is _not_ affected by this vulnerability, which concerns only LdapPasswordAuthenticator. Users are recommended to upgrade affected applications to version 2.20.0 or 3.0.0-M6, which fix this issue.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-30 14:32 UTC
    CWE
    • CWE-304 - Missing critical step in authentication
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 1.2.0 , < 2.20.0 (maven)
    Affected: 3.0.0-M1 , < 3.0.0-M6 (maven)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-56623 (GCVE-0-2026-56623)

    Vulnerability from cvelistv5 – Published: 2026-07-20 20:29 – Updated: 2026-07-21 17:15
    VLAI
    Title
    Apache MINA SSHD: Path traversal in org.apache.sshd:sshd-git on Windows
    Summary
    Path traversal on Windows in Apache MINA SSHD component sshd-git. Apache MINA SSHD is a Java library for client-side and server-side SSH. A git server implemented with Apache MINA SSHD component sshd-git and running on Windows could allow an authenticated remote user access to git repositories outside of the configured server-side root directory. The path validation applied for CVE-2026-48827 in Apache MINA SSHD 2.18.0 and 3.0.0-M4 was partly ineffective for Servers running on Windows. Applications are affected if they use org.apache.sshd:sshd-git to implement a git server and run on Windows. Applications not using sshd-git or not running on Windows are not affected. Users are advised to upgrade affected applications to Apache MINA SSHD 2.19.0, which fixes the issue. The issue also is present in the pre-release milestones 3.0.0-M1 to 3.0.0-M4 for a new upcoming new major version 3.0.0. Again, applications are affected only if they use sshd-git and run on Windows. Upgrade affected applications to 3.0.0-M5.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-21 17:07 UTC
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    References
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 2.0.0 , ≤ 2.18.0 (maven)
    Affected: 3.0.0-M1 , ≤ 3.0.0-M4 (maven)
    Create a notification for this product.
    Credits
    Show details on NVD website

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    CVE-2026-56624 (GCVE-0-2026-56624)

    Vulnerability from cvelistv5 – Published: 2026-07-20 20:28 – Updated: 2026-07-23 03:56
    VLAI
    Title
    Apache MINA SSHD: SSH certificate options lack validations
    Summary
    Improper certificate validation in Apache MINA SSHD (server-side). Apache MINA SSHD is a Java library for client-side and server-side SSH. Server-side OpenSSH user certificate validation during user authentication in an Apache MINA SSHD server did not check for the unsupported force-command or verify-required options that could be embedded in the certificate, nor did it validate these options. As a result it was possible that a user could authenticate with such a certificate that included a force-command option but still was able to execute other commands. What other command exactly would be available to the user depends on the implementation of the server. This issue is fixed in Apache MINA SSHD 2.19.0 and 3.0.0-M5. Applications are advised to upgrade to these versions. The fix rejects OpenSSH user certificates that include these options, since Apache MINA SSHD implements neither force-command nor sk-*-cert-v01@openssh.com user certificates (which are the only ones for which verify-required would make sense).
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-22 00:00 UTC
    CWE
    • CWE-295 - Improper Certificate Validation
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 2.0.0 , ≤ 2.18.0 (maven)
    Affected: 3.0.0-M1 , ≤ 3.0.0-M4 (maven)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-58624 (GCVE-0-2026-58624)

    Vulnerability from cvelistv5 – Published: 2026-07-20 20:27 – Updated: 2026-07-21 17:15
    VLAI
    Title
    Apache MINA SSHD: Remote execution of JGit commands can write files on the server
    Summary
    Improper input validation in sshd-git in Apache MINA SSHD. Apache MINA SSHD is a Java library for client-side and server-side SSH. Component org.apache.sshd:sshd-git provides though its GitPgmCommandFactory a way to configure an Apache MINA SSHD server such that SSH clients can remotely execute git commands via the JGit library on git repositories stored on the server. This GitPgmCommandFactory allowed a user authenticated via SSH to run any JGit command available, including commands that could write files at arbitrary places such as git archive with the --output option. Affected are SSH servers implemented with Apache MINA SSHD and using the GitPgmCommandFactory. If the GitPgmCommandFactory is not configured on the server, the server is not affected. It is recommended to upgrade affected servers to Apache MINA SSHD 2.19.0 or 3.0.0-M5, which fix this issue. The issue is fixed by restricting the available commands to a small whitelist of uncritical commands (such as git log). git archive is also allowed, but its --output argument is ignored and the archive is always sent through the SSH channel to the client.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-21 16:52 UTC
    CWE
    • CWE-20 - Improper Input Validation
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 2.0.0 , ≤ 2.18.0 (maven)
    Affected: 3.0.0-M1 , ≤ 3.0.0-M4 (maven)
    Create a notification for this product.
    Credits
    Show details on NVD website

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    CVE-2026-56452 (GCVE-0-2026-56452)

    Vulnerability from cvelistv5 – Published: 2026-07-20 20:26 – Updated: 2026-07-21 17:15
    VLAI
    Title
    Apache MINA SSHD: Path traversal in SCP file reception
    Summary
    Path traversal in the sshd-scp component of Apache MINA SSHD. Apache MINA SSHD is a Java library for client-side and server-side SSH. The implementation of receiving files or directories via SCP did not validate filenames in SCP "C" or "D" commands. A malicious sender could send filenames containing paths, resulting in files to be written in attacker-controlled places. The issue affects only * applications that use no longer supported Apache MINA SSHD versions < 2.0.0 and use the SCP functions to receive files, * or applications using sshd-scp in Apache MINA SSHD >= 2.0.0 to receive files. Applications using Apache MINA SSHD >= 2.0.0 not using sshd-scp are not affected. The issue is fixed in Apache MINA 2.19.0 and 3.0.0-M5. Affected applications are advised to upgrade to these versions.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-21 17:10 UTC
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    • CWE-73 - External Control of File Name or Path
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 0 , ≤ 2.18.0 (maven)
    Affected: 3.0.0-M1 , ≤ 3.0.0-M4 (maven)
    Create a notification for this product.
    Credits
    Show details on NVD website

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    CVE-2026-48827 (GCVE-0-2026-48827)

    Vulnerability from cvelistv5 – Published: 2026-06-01 08:37 – Updated: 2026-06-01 12:44
    VLAI
    Title
    Apache MINA SSHD: Path traversal in org.apache.sshd:sshd-git
    Summary
    Path traversal vulnerability in Apache MINA SSHD bundle sshd-git. Lack of path validation in git-upload-pack, git-receive-pack, and other git operations allows users authenticated over SSH access to git repositories outside the configured git server root directory. Applications are affected if they use org.apache.sshd:sshd-git. Applications not using sshd-git are not affected. Users are advised to upgrade affected applications to Apche MINA SSHD 2.18.0, which fixes the issue. The issue also is present in the pre-release milestones 3.0.0-M1 to 3.0.0-M3 for a new upcoming new major version 3.0.0. Again, applications are affected only if they use sshd-git. Upgrade affected applications to 3.0.0-M4. We would like to point out that a professional git server should not rely solely on file system layout and permissions, but should implement additional security controls to govern access to git repositories and operations allowed on particular git repositories.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-06-01 12:44 UTC
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 2.0.0 , ≤ 2.17.1 (maven)
    Affected: 3.0.0-M1 , ≤ 3.0.0-M3 (maven)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2024-41909 (GCVE-0-2024-41909)

    Vulnerability from cvelistv5 – Published: 2024-08-12 16:00 – Updated: 2025-03-27 15:31
    VLAI
    Title
    Apache MINA SSHD: integrity check bypass
    Summary
    Like many other SSH implementations, Apache MINA SSHD suffered from the issue that is more widely known as CVE-2023-48795. An attacker that can intercept traffic between client and server could drop certain packets from the stream, potentially causing client and server to consequently end up with a connection for which some security features have been downgraded or disabled, aka a Terrapin attack The mitigations to prevent this type of attack were implemented in Apache MINA SSHD 2.12.0, both client and server side. Users are recommended to upgrade to at least this version. Note that both the client and the server implementation must have mitigations applied against this issue, otherwise the connection may still be affected.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2024-09-04 14:03 UTC
    CWE
    • CWE-354 - Improper Validation of Integrity Check Value
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 0 , ≤ 2.11.0 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2023-35887 (GCVE-0-2023-35887)

    Vulnerability from cvelistv5 – Published: 2023-07-10 09:28 – Updated: 2024-10-07 19:40
    VLAI
    Title
    Apache MINA SSHD: Information disclosure bugs with RootedFilesystem
    Summary
    Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Software Foundation Apache MINA. In SFTP servers implemented using Apache MINA SSHD that use a RootedFileSystem, logged users may be able to discover "exists/does not exist" information about items outside the rooted tree via paths including parent navigation ("..") beyond the root, or involving symlinks. This issue affects Apache MINA: from 1.0 before 2.10. Users are recommended to upgrade to 2.10
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2024-10-07 19:40 UTC
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    References
    Impacted products
    Vendor Product Version
    Apache Software Foundation Apache MINA SSHD Affected: 1.0 , < 2.10 (semver)
    Create a notification for this product.
    Show details on NVD website

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