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CVE-2002-2180
The setitimer(2) system call in OpenBSD 2.0 through 3.1 does not properly check certain arguments, which allows local users to write to…
Medium6.8EPSS 0.61%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The setitimer(2) system call in OpenBSD 2.0 through 3.1 does not properly check certain arguments, which allows local users to write to kernel memory and possibly gain root privileges, possibly via an integer signedness error.
Timeline
ID reserved
By mitre
Published
- 19 years later
· 19 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 | Medium6.8 | AV:L/AC:L/Au:S/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 0.61% · top 50% 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 6.8.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (3)
- 20021002 Incorrect argument checking in the setitimer(2) system call may allow an attacker to write to kernel memory. (opens in a new tab)vendor-advisoryx_refsource_OPENBSDx_transferred
- openbsd-setitimer-memory-overwrite(10278) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 5861 (opens in a new tab)vdb-entryx_refsource_BIDx_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-2002-2180)Record last updated .