{"id":"CVE-2025-23013","aliases":["ALPINE-CVE-2025-23013","DEBIAN-CVE-2025-23013","DLA-4040-1","DSA-5853-1","EUVD-2025-3074","GHSA-wwr4-cj7g-985f","SUSE-SU-2025:0167-1","SUSE-SU-2025:0192-1","SUSE-SU-2025:0198-1","SUSE-SU-2025:0200-1","SUSE-SU-2025:20132-1","SUSE-SU-2025:20231-1","UBUNTU-CVE-2025-23013","USN-7806-1","openSUSE-SU-2025:14650-1"],"status":"published","title":"In Yubico pam-u2f before 1.3.1, local privilege escalation can sometimes occur. This product...","description":"In Yubico pam-u2f before 1.3.1, local privilege escalation can sometimes occur. This product implements a Pluggable Authentication Module (PAM) that can be deployed to support authentication using a YubiKey or other FIDO compliant authenticators on macOS or Linux. This software package has an issue that allows for an authentication bypass in some configurations. An attacker would require the ability to access the system as an unprivileged user. Depending on the configuration, the attacker may also need to know the user's 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Depending on the configuration, the attacker may also need to know the user's password.","status":"published","published":"2025-01-15T04:15:20.037Z","modified":"2026-06-17T08:51:25.93Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/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","level":"high","assessor":"secondary"}],"cwes":["CWE-394"],"updated_at":"2026-11-02T14:10:48.713733Z"}],"osv":[{"id":"ALPINE-CVE-2025-23013","description":"In Yubico pam-u2f before 1.3.1, local privilege escalation can sometimes occur. This product implements a Pluggable Authentication Module (PAM) that can be deployed to support authentication using a YubiKey or other FIDO compliant authenticators on macOS or Linux. This software package has an issue that allows for an authentication bypass in some configurations. An attacker would require the ability to access the system as an unprivileged user. Depending on the configuration, the attacker may also need to know the user's password.","status":"published","published":"2025-01-15T04:15:20.037Z","modified":"2026-11-03T06:32:51.768378479Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/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","level":"high"}],"updated_at":"2026-11-03T07:16:26.770911Z"},{"id":"DEBIAN-CVE-2025-23013","description":"In Yubico pam-u2f before 1.3.1, local privilege escalation can sometimes occur. This product implements a Pluggable Authentication Module (PAM) that can be deployed to support authentication using a YubiKey or other FIDO compliant authenticators on macOS or Linux. This software package has an issue that allows for an authentication bypass in some configurations. An attacker would require the ability to access the system as an unprivileged user. Depending on the configuration, the attacker may also need to know the user's password.","status":"published","published":"2025-01-15T04:15:20.037Z","modified":"2026-09-01T20:05:44.355284892Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/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","level":"high"}],"updated_at":"2026-11-02T15:45:45.524682Z"},{"id":"UBUNTU-CVE-2025-23013","description":"In Yubico pam-u2f before 1.3.1, local privilege escalation can sometimes occur. This product implements a Pluggable Authentication Module (PAM) that can be deployed to support authentication using a YubiKey or other FIDO compliant authenticators on macOS or Linux. This software package has an issue that allows for an authentication bypass in some configurations. An attacker would require the ability to access the system as an unprivileged user. Depending on the configuration, the attacker may also need to know the user's password.","status":"published","published":"2025-01-15T04:15:00Z","modified":"2026-02-04T03:26:59.720471Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T16:55:26.330196Z"},{"id":"CVE-2025-23013","description":"In Yubico pam-u2f before 1.3.1, local privilege escalation can sometimes occur. This product implements a Pluggable Authentication Module (PAM) that can be deployed to support authentication using a YubiKey or other FIDO compliant authenticators on macOS or Linux. This software package has an issue that allows for an authentication bypass in some configurations. An attacker would require the ability to access the system as an unprivileged user. Depending on the configuration, the attacker may also need to know the user's password.","status":"published","published":"2025-01-15T04:15:20Z","modified":"2026-04-10T05:22:48.695993Z","updated_at":"2026-11-02T15:44:47.009967Z"},{"id":"DLA-4040-1","title":"pam-u2f - security update","status":"published","published":"2025-02-03T00:00:00Z","modified":"2026-03-09T01:20:41.717021Z","updated_at":"2026-11-02T15:46:12.203458Z"},{"id":"DSA-5853-1","title":"pam-u2f - security update","status":"published","published":"2025-01-29T00:00:00Z","modified":"2026-03-09T02:09:49.887778Z","updated_at":"2026-11-02T15:46:17.892347Z"},{"id":"openSUSE-SU-2025:14650-1","title":"pam_u2f-1.3.1-1.1 on GA media","description":"These are all security issues fixed in the pam_u2f-1.3.1-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2025-01-15T00:00:00Z","modified":"2026-02-04T03:16:57.284608Z","updated_at":"2026-11-02T16:58:36.976155Z"},{"id":"SUSE-SU-2025:0167-1","title":"Security update for pam_u2f","description":"This update for pam_u2f fixes the following issues:\n\n- CVE-2025-23013: Fixed problematic PAM_IGNORE return values in `pam_sm_authenticate()` (bsc#1233517)\n","status":"published","published":"2025-01-17T16:09:54Z","modified":"2026-02-04T03:15:44.172385Z","updated_at":"2026-11-02T15:53:56.123059Z"},{"id":"SUSE-SU-2025:0192-1","title":"Security update for pam_u2f","description":"This update for pam_u2f fixes the following issues:\n\n- CVE-2025-23013: Fixed problematic PAM_IGNORE return values in `pam_sm_authenticate()` (bsc#1233517)\n","status":"published","published":"2025-01-20T09:04:08Z","modified":"2026-02-04T04:21:18.73127Z","updated_at":"2026-11-02T15:53:56.647031Z"},{"id":"SUSE-SU-2025:0198-1","title":"Security update for pam_u2f","description":"This update for pam_u2f fixes the following issues:\n\n- CVE-2025-23013: Fixed problematic PAM_IGNORE return values in `pam_sm_authenticate()` (bsc#1233517)\n","status":"published","published":"2025-01-21T10:10:10Z","modified":"2026-02-04T02:42:40.025626Z","updated_at":"2026-11-02T15:53:56.647031Z"},{"id":"SUSE-SU-2025:0200-1","title":"Security update for pam_u2f","description":"This update for pam_u2f fixes the following issues:\n\n- CVE-2025-23013: Fixed problematic PAM_IGNORE return values in `pam_sm_authenticate()` (bsc#1233517)\n","status":"published","published":"2025-01-21T12:50:26Z","modified":"2026-02-04T02:12:57.823119Z","updated_at":"2026-11-02T15:53:56.647031Z"},{"id":"SUSE-SU-2025:20132-1","title":"Security update for pam_u2f","description":"This update for pam_u2f fixes the following issues:\n\n- update to 1.3.2:\n  * Relax authfile permission check to a warning instead of an error to prevent\n    a breaking change locking existing users out of their systems. \n\n- update to 1.3.1:\n  * CVE-2025-23013: Fixed problematic PAM_IGNORE return values in `pam_sm_authenticate()`(bsc#1233517).\n  * Changed return value when nouserok is enabled and the user has no\n  credentials, PAM_IGNORE is used instead of PAM_SUCCESS.\n  * Hardened checks of authfile permissions.\n  * Hardened checks for nouserok.\n  * Improved debug messages.\n  * Improved documentation. \n\n","status":"published","published":"2025-03-04T08:28:37Z","modified":"2026-03-23T04:50:03.980394Z","updated_at":"2026-11-02T15:53:59.381172Z"},{"id":"SUSE-SU-2025:20231-1","title":"Security update for pam_u2f","description":"This update for pam_u2f fixes the following issues:\n\n- CVE-2025-23013: Fixed problematic PAM_IGNORE return values in `pam_sm_authenticate()`(bsc#1233517).\n","status":"published","published":"2025-03-05T14:56:53Z","modified":"2026-03-23T04:50:44.750945Z","updated_at":"2026-11-02T15:53:59.381172Z"},{"id":"USN-7806-1","title":"pam-u2f vulnerability","description":"It was discovered that PAM/U2F could allow for authentication bypass in\nsome configurations. An attacker could possibly use this issue to execute\narbitrary code or cause a denial of service.","status":"published","published":"2025-10-06T16:35:59Z","modified":"2026-02-10T04:50:11Z","updated_at":"2026-11-02T16:58:21.91885Z"}]}}