CVE-2004-0221

Name: CVE-2004-0221
Creator: NVD / NIST
Published: 2004-05-04T04:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.62%

Last modified Jun 16, 2026

CVE-2004-0221 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 3.62% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

3.62%

88.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Openbsd	Openbsd	<= 3.4

References

http://marc.info/?l=bugtraq&m=108008530028019&w=2Mailing List, Third Party Advisory
http://www.kb.cert.org/vuls/id/524497Third Party Advisory, US Government Resource
http://www.openbsd.org/errata.htmlProduct, Vendor Advisory
http://www.rapid7.com/advisories/R7-0018.htmlBroken Link
http://www.securityfocus.com/bid/9907Broken Link, Third Party Advisory, VDB Entry
http://www.securitytracker.com/alerts/2004/Mar/1009468.htmlBroken Link, Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/15630Third Party Advisory, VDB Entry
http://marc.info/?l=bugtraq&m=108008530028019&w=2Mailing List, Third Party Advisory
http://www.kb.cert.org/vuls/id/524497Third Party Advisory, US Government Resource
http://www.openbsd.org/errata.htmlProduct, Vendor Advisory
http://www.rapid7.com/advisories/R7-0018.htmlBroken Link
http://www.securityfocus.com/bid/9907Broken Link, Third Party Advisory, VDB Entry
http://www.securitytracker.com/alerts/2004/Mar/1009468.htmlBroken Link, Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/15630Third Party Advisory, VDB Entry

Timeline

Published: May 4, 2004
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2004-0221?

How severe is CVE-2004-0221?

Severity scoring for CVE-2004-0221 is pending analysis. The EPSS model estimates a 3.62% probability of exploitation in the next 30 days.

How do I fix CVE-2004-0221?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2004-0221?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST