Common Weakness Enumeration
CWE-347
AllowedImproper Verification of Cryptographic Signature
Abstraction: Base · Status: Draft
The product does not verify, or incorrectly verifies, the cryptographic signature for data.
1422 vulnerabilities reference this CWE, most recent first.
CVE-2025-54419 (GCVE-0-2025-54419)
Vulnerability from cvelistv5 – Published: 2025-07-28 19:47 – Updated: 2025-07-28 20:39
VLAI
EPSS
VEX
Title
Node-SAML Contains SAML Signature Verification Vulnerability
Summary
A SAML library not dependent on any frameworks that runs in Node. In version 5.0.1, Node-SAML loads the assertion from the (unsigned) original response document. This is different than the parts that are verified when checking signature. This allows an attacker to modify authentication details within a valid SAML assertion. For example, in one attack it is possible to remove any character from the SAML assertion username. To conduct the attack an attacker would need a validly signed document from the identity provider (IdP). This is fixed in version 5.1.0.
Severity
10 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-28 20:22 UTC
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/node-saml/node-saml/security/a… | x_refsource_CONFIRM |
| https://github.com/node-saml/node-saml/commit/31e… | x_refsource_MISC |
| https://github.com/node-saml/node-saml/releases/t… | x_refsource_MISC |
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CVE-2025-54369 (GCVE-0-2025-54369)
Vulnerability from cvelistv5 – Published: 2025-12-12 23:03 – Updated: 2026-05-07 20:46
VLAI
EPSS
VEX
Title
Node-SAML SAML Authentication Bypass
Summary
Node-SAML is a SAML library not dependent on any frameworks that runs in Node. In versions 5.0.1 and below, Node-SAML loads the assertion from the (unsigned) original response document. This is different than the parts that are verified when checking signature. This allows an attacker to modify authentication details within a valid SAML assertion. For example, in one attack it is possible to remove any character from the SAML assertion username. This issue is fixed in version 5.1.0.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-15 14:55 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/node-saml/node-saml/security/a… | x_refsource_CONFIRM |
| https://github.com/node-saml/node-saml/commit/31e… | x_refsource_MISC |
| https://github.com/node-saml/node-saml/releases/t… | x_refsource_MISC |
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CVE-2025-52556 (GCVE-0-2025-52556)
Vulnerability from cvelistv5 – Published: 2025-06-21 01:33 – Updated: 2025-06-23 15:13
VLAI
EPSS
VEX
Title
rfc3161-client has insufficient verification for timestamp response signatures
Summary
rfc3161-client is a Python library implementing the Time-Stamp Protocol (TSP) described in RFC 3161. Prior to version 1.0.3, there is a flaw in the timestamp response signature verification logic. In particular, chain verification is performed against the TSR's embedded certificates up to the trusted root(s), but fails to verify the TSR's own signature against the timestamping leaf certificates. Consequently, vulnerable versions perform insufficient signature validation to properly consider a TSR verified, as the attacker can introduce any TSR signature so long as the embedded leaf chains up to some root TSA. This issue has been patched in version 1.0.3. There is no workaround for this issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-23 15:13 UTC
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/trailofbits/rfc3161-client/sec… | x_refsource_CONFIRM |
| https://github.com/trailofbits/rfc3161-client/com… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| trailofbits | rfc3161-client |
Affected:
< 1.0.3
|
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CVE-2025-52550 (GCVE-0-2025-52550)
Vulnerability from cvelistv5 – Published: 2025-09-02 11:26 – Updated: 2025-09-02 13:40
VLAI
EPSS
VEX
Title
Firmware upgrade packages are unsigned
Summary
E3 Site Supervisor Control (firmware version < 2.31F01) firmware upgrade packages are unsigned. An attacker can forge malicious firmware upgrade packages. An attacker with admin access to the application services can install a malicious firmware upgrade.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-02 13:40 UTC
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Copeland LP | E3 Supervisory Control |
Affected:
0 , < 2.31F01
(firmware)
|
Date Public
2025-07-29 12:00
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CVE-2025-47949 (GCVE-0-2025-47949)
Vulnerability from cvelistv5 – Published: 2025-05-19 19:28 – Updated: 2025-05-20 13:00
VLAI
EPSS
VEX
Title
samlify SAML Signature Wrapping attack
Summary
samlify is a Node.js library for SAML single sign-on. A Signature Wrapping attack has been found in samlify prior to version 2.10.0, allowing an attacker to forge a SAML Response to authenticate as any user. An attacker would need a signed XML document by the identity provider. Version 2.10.0 fixes the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-20 13:00 UTC
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/tngan/samlify/security/advisor… | x_refsource_CONFIRM |
| https://github.com/tngan/samlify/commit/115679acd… | x_refsource_MISC |
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CVE-2025-47934 (GCVE-0-2025-47934)
Vulnerability from cvelistv5 – Published: 2025-05-19 18:57 – Updated: 2025-05-20 13:02
VLAI
EPSS
VEX
Title
OpenPGP.js's message signature verification can be spoofed
Summary
OpenPGP.js is a JavaScript implementation of the OpenPGP protocol. Startinf in version 5.0.1 and prior to versions 5.11.3 and 6.1.1, a maliciously modified message can be passed to either `openpgp.verify` or `openpgp.decrypt`, causing these functions to return a valid signature verification result while returning data that was not actually signed. This flaw allows signature verifications of inline (non-detached) signed messages (using `openpgp.verify`) and signed-and-encrypted messages (using `openpgp.decrypt` with `verificationKeys`) to be spoofed, since both functions return extracted data that may not match the data that was originally signed. Detached signature verifications are not affected, as no signed data is returned in that case. In order to spoof a message, the attacker needs a single valid message signature (inline or detached) as well as the plaintext data that was legitimately signed, and can then construct an inline-signed message or signed-and-encrypted message with any data of the attacker's choice, which will appear as legitimately signed by affected versions of OpenPGP.js. In other words, any inline-signed message can be modified to return any other data (while still indicating that the signature was valid), and the same is true for signed+encrypted messages if the attacker can obtain a valid signature and encrypt a new message (of the attacker's choice) together with that signature. The issue has been patched in versions 5.11.3 and 6.1.1. Some workarounds are available. When verifying inline-signed messages, extract the message and signature(s) from the message returned by `openpgp.readMessage`, and verify the(/each) signature as a detached signature by passing the signature and a new message containing only the data (created using `openpgp.createMessage`) to `openpgp.verify`. When decrypting and verifying signed+encrypted messages, decrypt and verify the message in two steps, by first calling `openpgp.decrypt` without `verificationKeys`, and then passing the returned signature(s) and a new message containing the decrypted data (created using `openpgp.createMessage`) to `openpgp.verify`.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-20 13:02 UTC
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/openpgpjs/openpgpjs/security/a… | x_refsource_CONFIRM |
| https://github.com/openpgpjs/openpgpjs/commit/43f… | x_refsource_MISC |
| https://github.com/openpgpjs/openpgpjs/commit/bd5… | x_refsource_MISC |
| https://github.com/openpgpjs/openpgpjs/releases/t… | x_refsource_MISC |
| https://github.com/openpgpjs/openpgpjs/releases/t… | x_refsource_MISC |
Impacted products
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CVE-2025-46774 (GCVE-0-2025-46774)
Vulnerability from cvelistv5 – Published: 2025-10-14 15:23 – Updated: 2026-02-26 17:47
VLAI
EPSS
VEX
Summary
An Improper Verification of Cryptographic Signature vulnerability [CWE-347] in FortiClient MacOS installer version 7.4.2 and below, version 7.2.9 and below, 7.0 all versions may allow a local user to escalate their privileges via FortiClient related executables.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-16 03:56 UTC
CWE
- CWE-347 - Escalation of privilege
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Fortinet | FortiClientMac |
Affected:
7.4.0 , ≤ 7.4.2
(semver)
Affected: 7.2.0 , ≤ 7.2.9 (semver) Affected: 7.0.0 , ≤ 7.0.14 (semver) cpe:2.3:a:fortinet:forticlientmac:7.4.2:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.4.1:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.4.0:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.2.9:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.2.8:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.2.7:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.2.6:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.2.5:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.2.4:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.2.3:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.2.2:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.2.1:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.2.0:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.0.14:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.0.13:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.0.12:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.0.11:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.0.10:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.0.9:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.0.8:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.0.7:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.0.6:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.0.5:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.0.4:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.0.3:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.0.2:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.0.1:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientmac:7.0.0:*:*:*:*:*:*:* |
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CVE-2025-43903 (GCVE-0-2025-43903)
Vulnerability from cvelistv5 – Published: 2025-04-18 00:00 – Updated: 2025-04-21 02:51
VLAI
EPSS
VEX
Summary
NSSCryptoSignBackend.cc in Poppler before 25.04.0 does not verify the adbe.pkcs7.sha1 signatures on documents, resulting in potential signature forgeries.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-21 02:50 UTC
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| freedesktop | Poppler |
Affected:
0 , < 25.04.0
(custom)
cpe:2.3:a:freedesktop:poppler:*:*:*:*:*:*:*:* |
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CVE-2025-43023 (GCVE-0-2025-43023)
Vulnerability from cvelistv5 – Published: 2025-07-28 17:46 – Updated: 2025-11-04 21:10
VLAI
EPSS
VEX
Title
HP Linux Imaging and Printing Software - Use of DSA Key
Summary
A potential security vulnerability has been identified in the HP Linux Imaging and Printing Software documentation. This potential vulnerability is due to the use of a weak code signing key, Digital Signature Algorithm (DSA).
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-28 18:00 UTC
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| HP, Inc. | HP Linux Imaging and Printing Software |
Affected:
See HP security bulletin reference for affected versions
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CVE-2025-41767 (GCVE-0-2025-41767)
Vulnerability from cvelistv5 – Published: 2026-03-09 08:18 – Updated: 2026-03-09 18:19
VLAI
EPSS
VEX
Title
Signature bypass on update upload
Summary
A high-privileged remote attacker can fully compromise the device by abusing an update signature bypass vulnerability in the wwwupdate.cgi method in the web interface of UBR.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-09 18:18 UTC
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
1 reference
Impacted products
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No mitigation information available for this CWE.
CAPEC-463: Padding Oracle Crypto Attack
An adversary is able to efficiently decrypt data without knowing the decryption key if a target system leaks data on whether or not a padding error happened while decrypting the ciphertext. A target system that leaks this type of information becomes the padding oracle and an adversary is able to make use of that oracle to efficiently decrypt data without knowing the decryption key by issuing on average 128*b calls to the padding oracle (where b is the number of bytes in the ciphertext block). In addition to performing decryption, an adversary is also able to produce valid ciphertexts (i.e., perform encryption) by using the padding oracle, all without knowing the encryption key.
CAPEC-475: Signature Spoofing by Improper Validation
An adversary exploits a cryptographic weakness in the signature verification algorithm implementation to generate a valid signature without knowing the key.