CVE-2005-2949 json
pam_per_user before 0.4 does not verify if the user name changes between authentication attempts and uses the same subrequest handle, which…
published 2005-09-16 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-2949
- cvss
- 7.5
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- securityfocus.com/bid/14813 patch
- secunia.com/advisories/16781/ advisory
Exploit prediction
1.60% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
References
-
secunia.com
/advisories/16781/
third-party-advisory, patch, vendor-advisory
-
securityfocus.com
/bid/14813
vdb-entry, patch
-
securityreason.com
/securityalert/2
third-party-advisory
-
marc.info
/?l=bugtraq&m=112654636915661&w=2
mailing-list
Sources
- CVE List CVE-2005-2949
- NVD CVE-2005-2949
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.