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CVE-2011-1496
tmux 1.3 and 1.4 does not properly drop group privileges, which allows local users to gain utmp group privileges via a filename to the -S…
Medium4.6Public exploitEPSS 0.95%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
tmux 1.3 and 1.4 does not properly drop group privileges, which allows local users to gain utmp group privileges via a filename to the -S command-line option.
Public exploit
A reference of the record is tagged as an exploit or proof of concept: anyone can try it against an unpatched system.
- 17147 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Timeline
ID reserved
By redhat
- 28 days later
· 28 days later
Published
- 13 years later
· 13 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 0.95% · top 38% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.6.
Weakness
Affected products
n/a
- affected n/a
References (12)
- ADV-2011-1015 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 44081 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 44239 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 17147 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- FEDORA-2011-5156 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 47283 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- DSA-2212 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- ADV-2011-0897 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- ADV-2011-1002 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- FEDORA-2011-5486 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2011-5167 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- tmux-setgid-privilege-escalation(66693) (opens in a new tab)vdb-entryx_refsource_XFx_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://cveledger.app/cve/CVE-2011-1496)Record last updated .