CVE-2004-0221

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2004-05-04 · updated 2026-06-16
Weakness: CWE-125

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.

Affected products

OpenBSD: through 3.4

References

http://marc.info/?l=bugtraq&m=108008530028019&w=2
http://www.kb.cert.org/vuls/id/524497
http://www.openbsd.org/errata.html
http://www.rapid7.com/advisories/R7-0018.html
http://www.securityfocus.com/bid/9907
http://www.securitytracker.com/alerts/2004/Mar/1009468.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/15630
http://marc.info/?l=bugtraq&m=108008530028019&w=2
http://www.kb.cert.org/vuls/id/524497
http://www.openbsd.org/errata.html
http://www.rapid7.com/advisories/R7-0018.html
http://www.securityfocus.com/bid/9907

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