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CVE DATABASE  /  CVE-2004-0221

CVE-2004-0221

CVSS 5 · MEDIUM

Summary

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.

CVSS 2.0 breakdown

Base score5 (MEDIUM)
VectorAV:N/AC:L/Au:N/C:N/I:N/A:P
Attack vectorNETWORK
Attack complexityLOW
ConfidentialityNONE
IntegrityNONE
AvailabilityPARTIAL

Weakness type (CWE)

Affected products

Openbsd openbsd
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References

Data: NIST NVD. NVD last modified 2026-04-16. Always verify against the vendor advisory before acting.

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