CVE-2005-2949
pam_per_user before 0.4 does not verify if the user name changes between authentication attempts...
pam_per_user before 0.4 does not verify if the user name changes between authentication attempts and uses the same subrequest handle, which allows remote attackers or local users to login as other users by using certain applications that allow the username to be changed during authentication, such as /bin/login.
Exploit likelihood
What each source reports
NVD Score used
pam_per_user before 0.4 does not verify if the user name changes between authentication attempts and uses the same subrequest handle, which allows remote attackers or local users to login as other users by using certain applications that allow the username to be changed during authentication, such as /bin/login.
- Record
CVE-2005-2949- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
pam_per_user before 0.4 does not verify if the user name changes between authentication attempts and uses the same subrequest handle, which allows remote attackers or local users to login as other users by using certain applications that allow the username to be changed during authentication, such as /bin/login.
- Record
CVE-2005-2949- Updated
- 2026-11-02
EUVDEUVD-2005-2949 No score
pam_per_user before 0.4 does not verify if the user name changes between authentication attempts and uses the same subrequest handle, which allows remote attackers or local users to login as other users by using certain applications that allow the username to be changed during authentication, such as /bin/login.
- Record
EUVD-2005-2949- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4c48-9rfv-8pr3 No score
pam_per_user before 0.4 does not verify if the user name changes between authentication attempts...
pam_per_user before 0.4 does not verify if the user name changes between authentication attempts and uses the same subrequest handle, which allows remote attackers or local users to login as other users by using certain applications that allow the username to be changed during authentication, such as /bin/login.
- Record
GHSA-4c48-9rfv-8pr3- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2005-2949 is a high vulnerability (CVSS 7.5) in Mark D. Roth Pam Per User, published September 16, 2005. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.60%, the 75th percentile. No source names a fixed version.