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CVE-2004-0221
isakmpd in OpenBSD 3.4 and earlier allows remote attackers to cause a denial of service (crash) via an ISAKMP packet with a delete payload…
Medium5.0EPSS 3.6%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
isakmpd in OpenBSD 3.4 and earlier allows remote attackers to cause a denial of service (crash) via an ISAKMP packet with a delete payload containing a large number of SPIs, which triggers an out-of-bounds read error, as demonstrated by the Striker ISAKMP Protocol Test Suite.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 3.6% · top 10% 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: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (7)
- 1009468 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 9907 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 20040317 015: RELIABILITY FIX: March 17, 2004 (opens in a new tab)vendor-advisoryx_refsource_OPENBSDx_transferred
- 20040323 R7-0018: OpenBSD isakmpd payload handling denial-of-service vulnerabilities (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- VU#524497 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- openbsd-isakmp-delete-dos(15630) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://www.rapid7.com/advisories/R7-0018.html (opens in a new tab)x_refsource_MISCx_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 .