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CVE-2005-2949
pam_per_user before 0.4 does not verify if the user name changes between authentication attempts and uses the same subrequest handle,…
High7.5EPSS 1.6%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 1.6% · top 24% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (4)
- 2 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- 16781 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 14813 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 20050912 Security Flaw in pam_per_user Module (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2005-2949)Record last updated .