CWE-384
AllowedSession Fixation
Abstraction: Compound · Status: Incomplete
Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.
603 vulnerabilities reference this CWE, most recent first.
GHSA-PQ7V-9VMM-7JW6
Vulnerability from github – Published: 2026-02-27 12:31 – Updated: 2026-02-27 21:31PluXml CMS allows a user's session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behaviour enables an attacker to fix a session ID for a victim and later hijack the authenticated session.
The vendor was notified early about this vulnerability, but didn't respond with the details of vulnerability or vulnerable version range. Only versions 5.8.21 and 5.9.0-rc7 were tested and confirmed as vulnerable, other versions were not tested and might also be vulnerable.
{
"affected": [],
"aliases": [
"CVE-2026-24352"
],
"database_specific": {
"cwe_ids": [
"CWE-384"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-02-27T12:16:03Z",
"severity": "MODERATE"
},
"details": "PluXml CMS allows a user\u0027s session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behaviour enables an attacker to fix a session ID\nfor a victim and later hijack the authenticated session.\n\nThe vendor was notified early about this vulnerability, but didn\u0027t respond with the details of vulnerability or vulnerable version range. Only versions 5.8.21 and 5.9.0-rc7 were tested and confirmed as vulnerable, other versions were not tested and might also be vulnerable.",
"id": "GHSA-pq7v-9vmm-7jw6",
"modified": "2026-02-27T21:31:21Z",
"published": "2026-02-27T12:31:25Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-24352"
},
{
"type": "WEB",
"url": "https://cert.pl/posts/2026/03/CVE-2026-24350"
},
{
"type": "WEB",
"url": "https://pluxml.org"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-PQHF-8HV3-CCC7
Vulnerability from github – Published: 2026-01-20 18:31 – Updated: 2026-01-20 18:31IBM Sterling Connect:Express Adapter for Sterling B2B Integrator 5.2.0.00 through 5.2.0.12 does not disallow the session id after use which could allow an authenticated user to impersonate another user on the system.
{
"affected": [],
"aliases": [
"CVE-2025-36115"
],
"database_specific": {
"cwe_ids": [
"CWE-384"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-01-20T16:16:03Z",
"severity": "MODERATE"
},
"details": "IBM Sterling Connect:Express Adapter for Sterling B2B Integrator 5.2.0.00 through 5.2.0.12 does not disallow the session id after use which could allow an authenticated user to impersonate another user on the system.",
"id": "GHSA-pqhf-8hv3-ccc7",
"modified": "2026-01-20T18:31:57Z",
"published": "2026-01-20T18:31:57Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-36115"
},
{
"type": "WEB",
"url": "https://www.ibm.com/support/pages/node/7257244"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
}
]
}
GHSA-PQHV-V3FM-GFWG
Vulnerability from github – Published: 2024-01-10 00:30 – Updated: 2024-01-10 00:30A vulnerability classified as problematic has been found in SourceCodester Engineers Online Portal 1.0. This affects an unknown part. The manipulation leads to session fixiation. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-250119.
{
"affected": [],
"aliases": [
"CVE-2024-0351"
],
"database_specific": {
"cwe_ids": [
"CWE-384"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-01-09T23:15:10Z",
"severity": "LOW"
},
"details": "A vulnerability classified as problematic has been found in SourceCodester Engineers Online Portal 1.0. This affects an unknown part. The manipulation leads to session fixiation. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-250119.",
"id": "GHSA-pqhv-v3fm-gfwg",
"modified": "2024-01-10T00:30:23Z",
"published": "2024-01-10T00:30:23Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-0351"
},
{
"type": "WEB",
"url": "https://mega.nz/file/LJlBQLhR#Ix4yNMdtVtlJFQP6Ae6fbXmnyH4bXTTAWN_JT5kzXzg"
},
{
"type": "WEB",
"url": "https://vuldb.com/?ctiid.250119"
},
{
"type": "WEB",
"url": "https://vuldb.com/?id.250119"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-PRM5-542J-M494
Vulnerability from github – Published: 2021-12-11 00:00 – Updated: 2021-12-15 00:01Session Fixation vulnerability in login.php in Pluck-CMS Pluck 4.7.15 allows an attacker to sustain unauthorized access to the platform. Because Pluck does not invalidate prior sessions after a password change, access can be sustained even after an administrator performs regular remediation attempts such as resetting their password.
{
"affected": [],
"aliases": [
"CVE-2021-31745"
],
"database_specific": {
"cwe_ids": [
"CWE-384"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-12-10T18:15:00Z",
"severity": "HIGH"
},
"details": "Session Fixation vulnerability in login.php in Pluck-CMS Pluck 4.7.15 allows an attacker to sustain unauthorized access to the platform. Because Pluck does not invalidate prior sessions after a password change, access can be sustained even after an administrator performs regular remediation attempts such as resetting their password.",
"id": "GHSA-prm5-542j-m494",
"modified": "2021-12-15T00:01:32Z",
"published": "2021-12-11T00:00:43Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-31745"
},
{
"type": "WEB",
"url": "https://github.com/pluck-cms/pluck/issues/99"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-PV6P-3V3V-35GH
Vulnerability from github – Published: 2022-05-13 01:32 – Updated: 2022-05-13 01:32IBM Security Identity Governance and Intelligence 5.2 through 5.2.4.1 Virtual Appliance does not set the secure attribute on authorization tokens or session cookies. Attackers may be able to get the cookie values by sending a http:// link to a user or by planting this link in a site the user goes to. The cookie will be sent to the insecure link and the attacker can then obtain the cookie value by snooping the traffic. IBM X-Force ID: 153428.
{
"affected": [],
"aliases": [
"CVE-2018-1948"
],
"database_specific": {
"cwe_ids": [
"CWE-384"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2019-02-21T17:29:00Z",
"severity": "MODERATE"
},
"details": "IBM Security Identity Governance and Intelligence 5.2 through 5.2.4.1 Virtual Appliance does not set the secure attribute on authorization tokens or session cookies. Attackers may be able to get the cookie values by sending a http:// link to a user or by planting this link in a site the user goes to. The cookie will be sent to the insecure link and the attacker can then obtain the cookie value by snooping the traffic. IBM X-Force ID: 153428.",
"id": "GHSA-pv6p-3v3v-35gh",
"modified": "2022-05-13T01:32:28Z",
"published": "2022-05-13T01:32:28Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-1948"
},
{
"type": "WEB",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/153428"
},
{
"type": "WEB",
"url": "https://www.ibm.com/support/docview.wss?uid=ibm10872142"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-PVF9-39PW-FM6F
Vulnerability from github – Published: 2022-05-24 17:42 – Updated: 2022-05-24 17:42IBM Spectrum Protect Operations Center 7.1 and 8.1 could allow a remote attacker to bypass authentication restrictions, caused by improper session validation . By using the configuration panel to obtain a valid session using an attacker controlled IBM Spectrum Protect server, an attacker could exploit this vulnerability to bypass authentication and gain access to a limited number of debug functions, such as logging levels. IBM X-Force ID: 192153.
{
"affected": [],
"aliases": [
"CVE-2020-4954"
],
"database_specific": {
"cwe_ids": [
"CWE-384"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-02-15T15:15:00Z",
"severity": "MODERATE"
},
"details": "IBM Spectrum Protect Operations Center 7.1 and 8.1 could allow a remote attacker to bypass authentication restrictions, caused by improper session validation . By using the configuration panel to obtain a valid session using an attacker controlled IBM Spectrum Protect server, an attacker could exploit this vulnerability to bypass authentication and gain access to a limited number of debug functions, such as logging levels. IBM X-Force ID: 192153.",
"id": "GHSA-pvf9-39pw-fm6f",
"modified": "2022-05-24T17:42:13Z",
"published": "2022-05-24T17:42:13Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-4954"
},
{
"type": "WEB",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/192153"
},
{
"type": "WEB",
"url": "https://www.ibm.com/support/pages/node/6404966"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-PXMV-X94G-J48F
Vulnerability from github – Published: 2024-01-12 09:30 – Updated: 2024-01-19 03:30An issue was discovered on GL.iNet devices before version 4.5.0. They assign the same session ID after each user reboot, allowing attackers to share session identifiers between different sessions and bypass authentication or access control measures. Attackers can impersonate legitimate users or perform unauthorized actions. This affects A1300 4.4.6, AX1800 4.4.6, AXT1800 4.4.6, MT3000 4.4.6, MT2500 4.4.6, MT6000 4.5.0, MT1300 4.3.7, MT300N-V2 4.3.7, AR750S 4.3.7, AR750 4.3.7, AR300M 4.3.7, and B1300 4.3.7.
{
"affected": [],
"aliases": [
"CVE-2023-50920"
],
"database_specific": {
"cwe_ids": [
"CWE-384"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-01-12T08:15:43Z",
"severity": "MODERATE"
},
"details": "An issue was discovered on GL.iNet devices before version 4.5.0. They assign the same session ID after each user reboot, allowing attackers to share session identifiers between different sessions and bypass authentication or access control measures. Attackers can impersonate legitimate users or perform unauthorized actions. This affects A1300 4.4.6, AX1800 4.4.6, AXT1800 4.4.6, MT3000 4.4.6, MT2500 4.4.6, MT6000 4.5.0, MT1300 4.3.7, MT300N-V2 4.3.7, AR750S 4.3.7, AR750 4.3.7, AR300M 4.3.7, and B1300 4.3.7.",
"id": "GHSA-pxmv-x94g-j48f",
"modified": "2024-01-19T03:30:21Z",
"published": "2024-01-12T09:30:29Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-50920"
},
{
"type": "WEB",
"url": "https://github.com/gl-inet/CVE-issues/blob/main/4.0.0/Authentication-bypass-seesion-ID.md"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-PXWP-48RR-37F8
Vulnerability from github – Published: 2022-05-24 17:33 – Updated: 2022-05-24 17:33Session fixation vulnerability in TCP/IP function included in the firmware of MELSEC iQ-R series (RJ71EIP91 EtherNet/IP Network Interface Module First 2 digits of serial number are '02' or before, RJ71PN92 PROFINET IO Controller Module First 2 digits of serial number are '01' or before, RD81DL96 High Speed Data Logger Module First 2 digits of serial number are '08' or before, RD81MES96N MES Interface Module First 2 digits of serial number are '04' or before, and RD81OPC96 OPC UA Server Module First 2 digits of serial number are '04' or before) allows a remote unauthenticated attacker to stop the network functions of the products via a specially crafted packet.
{
"affected": [],
"aliases": [
"CVE-2020-5654"
],
"database_specific": {
"cwe_ids": [
"CWE-384"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2020-11-02T21:15:00Z",
"severity": "HIGH"
},
"details": "Session fixation vulnerability in TCP/IP function included in the firmware of MELSEC iQ-R series (RJ71EIP91 EtherNet/IP Network Interface Module First 2 digits of serial number are \u002702\u0027 or before, RJ71PN92 PROFINET IO Controller Module First 2 digits of serial number are \u002701\u0027 or before, RD81DL96 High Speed Data Logger Module First 2 digits of serial number are \u002708\u0027 or before, RD81MES96N MES Interface Module First 2 digits of serial number are \u002704\u0027 or before, and RD81OPC96 OPC UA Server Module First 2 digits of serial number are \u002704\u0027 or before) allows a remote unauthenticated attacker to stop the network functions of the products via a specially crafted packet.",
"id": "GHSA-pxwp-48rr-37f8",
"modified": "2022-05-24T17:33:04Z",
"published": "2022-05-24T17:33:04Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-5654"
},
{
"type": "WEB",
"url": "https://jvn.jp/vu/JVNVU92513419/index.html"
},
{
"type": "WEB",
"url": "https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-012.pdf"
},
{
"type": "WEB",
"url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-012_en.pdf"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-Q2HC-2XVC-9P5C
Vulnerability from github – Published: 2025-12-11 00:30 – Updated: 2026-01-02 15:30Screen SFT DAB 1.9.3 contains an authentication bypass vulnerability that allows attackers to exploit weak session management by reusing IP-bound session identifiers. Attackers can issue unauthorized requests to the device management API by leveraging the session binding mechanism to perform critical operations on the transmitter.
{
"affected": [],
"aliases": [
"CVE-2023-53776"
],
"database_specific": {
"cwe_ids": [
"CWE-384"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-12-10T22:16:19Z",
"severity": "HIGH"
},
"details": "Screen SFT DAB 1.9.3 contains an authentication bypass vulnerability that allows attackers to exploit weak session management by reusing IP-bound session identifiers. Attackers can issue unauthorized requests to the device management API by leveraging the session binding mechanism to perform critical operations on the transmitter.",
"id": "GHSA-q2hc-2xvc-9p5c",
"modified": "2026-01-02T15:30:25Z",
"published": "2025-12-11T00:30:32Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53776"
},
{
"type": "WEB",
"url": "https://www.dbbroadcast.com"
},
{
"type": "WEB",
"url": "https://www.dbbroadcast.com/products/radio/sft-dab-series-compact-air"
},
{
"type": "WEB",
"url": "https://www.exploit-db.com/exploits/51459"
},
{
"type": "WEB",
"url": "https://www.screen.it"
},
{
"type": "WEB",
"url": "https://www.vulncheck.com/advisories/screen-sft-dab-authentication-bypass-via-session-management-weakness"
},
{
"type": "WEB",
"url": "https://www.zeroscience.mk/en/vulnerabilities/ZSL-2023-5775.php"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-Q3G5-GGF3-C63G
Vulnerability from github – Published: 2022-05-17 00:26 – Updated: 2022-05-17 00:26/bin/login.php in the Web Panel on the Airtame HDMI dongle with firmware before 3.0 allows an attacker to set his own session id via a "Cookie: PHPSESSID=" header. This can be used to achieve persistent access to the admin panel even after an admin password change.
{
"affected": [],
"aliases": [
"CVE-2017-15304"
],
"database_specific": {
"cwe_ids": [
"CWE-384"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2017-10-15T03:29:00Z",
"severity": "CRITICAL"
},
"details": "/bin/login.php in the Web Panel on the Airtame HDMI dongle with firmware before 3.0 allows an attacker to set his own session id via a \"Cookie: PHPSESSID=\" header. This can be used to achieve persistent access to the admin panel even after an admin password change.",
"id": "GHSA-q3g5-ggf3-c63g",
"modified": "2022-05-17T00:26:04Z",
"published": "2022-05-17T00:26:04Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2017-15304"
},
{
"type": "WEB",
"url": "https://www.utkusen.com/blog/multiple-vulnerabilities-on-airtame-device-before-version-3.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
Mitigation
Invalidate any existing session identifiers prior to authorizing a new user session.
Mitigation
For platforms such as ASP that do not generate new values for sessionid cookies, utilize a secondary cookie. In this approach, set a secondary cookie on the user's browser to a random value and set a session variable to the same value. If the session variable and the cookie value ever don't match, invalidate the session, and force the user to log on again.
Mitigation MIT-29
Strategy: Firewall
Use an application firewall that can detect attacks against this weakness. It can be beneficial in cases in which the code cannot be fixed (because it is controlled by a third party), as an emergency prevention measure while more comprehensive software assurance measures are applied, or to provide defense in depth [REF-1481].
CAPEC-196: Session Credential Falsification through Forging
An attacker creates a false but functional session credential in order to gain or usurp access to a service. Session credentials allow users to identify themselves to a service after an initial authentication without needing to resend the authentication information (usually a username and password) with every message. If an attacker is able to forge valid session credentials they may be able to bypass authentication or piggy-back off some other authenticated user's session. This attack differs from Reuse of Session IDs and Session Sidejacking attacks in that in the latter attacks an attacker uses a previous or existing credential without modification while, in a forging attack, the attacker must create their own credential, although it may be based on previously observed credentials.
CAPEC-21: Exploitation of Trusted Identifiers
An adversary guesses, obtains, or "rides" a trusted identifier (e.g. session ID, resource ID, cookie, etc.) to perform authorized actions under the guise of an authenticated user or service.
CAPEC-31: Accessing/Intercepting/Modifying HTTP Cookies
This attack relies on the use of HTTP Cookies to store credentials, state information and other critical data on client systems. There are several different forms of this attack. The first form of this attack involves accessing HTTP Cookies to mine for potentially sensitive data contained therein. The second form involves intercepting this data as it is transmitted from client to server. This intercepted information is then used by the adversary to impersonate the remote user/session. The third form is when the cookie's content is modified by the adversary before it is sent back to the server. Here the adversary seeks to convince the target server to operate on this falsified information.
CAPEC-39: Manipulating Opaque Client-based Data Tokens
In circumstances where an application holds important data client-side in tokens (cookies, URLs, data files, and so forth) that data can be manipulated. If client or server-side application components reinterpret that data as authentication tokens or data (such as store item pricing or wallet information) then even opaquely manipulating that data may bear fruit for an Attacker. In this pattern an attacker undermines the assumption that client side tokens have been adequately protected from tampering through use of encryption or obfuscation.
CAPEC-59: Session Credential Falsification through Prediction
This attack targets predictable session ID in order to gain privileges. The attacker can predict the session ID used during a transaction to perform spoofing and session hijacking.
CAPEC-60: Reusing Session IDs (aka Session Replay)
This attack targets the reuse of valid session ID to spoof the target system in order to gain privileges. The attacker tries to reuse a stolen session ID used previously during a transaction to perform spoofing and session hijacking. Another name for this type of attack is Session Replay.
CAPEC-61: Session Fixation
The attacker induces a client to establish a session with the target software using a session identifier provided by the attacker. Once the user successfully authenticates to the target software, the attacker uses the (now privileged) session identifier in their own transactions. This attack leverages the fact that the target software either relies on client-generated session identifiers or maintains the same session identifiers after privilege elevation.