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CVE-2011-1784
The pidfile_write function in core/pidfile.c in keepalived 1.2.2 and earlier uses 0666 permissions for the (1) keepalived.pid, (2)…
Low3.6EPSS 0.37%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The pidfile_write function in core/pidfile.c in keepalived 1.2.2 and earlier uses 0666 permissions for the (1) keepalived.pid, (2) checkers.pid, and (3) vrrp.pid files in /var/run/, which allows local users to kill arbitrary processes by writing a PID to one of these files.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low3.6 | AV:L/AC:L/Au:N/C:N/I:P/A:P |
- EPSS (exploitation in 30 days)
- 0.37% · top 69% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.6.
Weakness
Affected products
n/a
- affected n/a
References (11)
- keepalived-pid-dos(67477) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- [debian-security] 20110511 Re: World writable pid and lock files. (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [debian-security] 20110510 World writable pid and lock files. (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20110510 CVE request: keepalived pid file permissions issue (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 47859 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 72380 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=626281 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 44460 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- [oss-security] 20110516 Re: CVE request: keepalived pid file permissions issue (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=704039 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [debian-security] 20110510 Re: World writable pid and lock files. (opens in a new tab)mailing-listx_refsource_MLISTx_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)
Record last updated .