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CVE-2011-0017
The open_log function in log.c in Exim 4.72 and earlier does not check the return value from (1) setuid or (2) setgid system calls, which…
- 6.9MediumCVSS base score
- 0.38%Exploitation in 30 daysEPSS · top 68% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The open_log function in log.c in Exim 4.72 and earlier does not check the return value from (1) setuid or (2) setgid system calls, which allows local users to append log data to arbitrary files via a symlink attack.
Timeline
ID reserved
By redhat
- 57 days later
· 57 days later
Published
- 14 years later
· 14 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 | Medium6.9 | AV:L/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 0.38% · top 68% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.9.
Affected products
n/a
- affected n/a
References
14
- 43128 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 70696 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- ADV-2011-0364 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 46065 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 43243 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- exim-openlog-privilege-escalation(65028) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- [exim-announce] 20110125 Exim 4.74 Release (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- ADV-2011-0224 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- DSA-2154 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- SUSE-SR:2011:004 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- ADV-2011-0464 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 43101 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- ADV-2011-0245 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- USN-1060-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_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)
- EUVD EUVD-2011-0043 (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-2011-0017)Record last updated .