CVE-2004-0220 json
isakmpd in OpenBSD 3.4 and earlier allows remote attackers to cause a denial of service via an ISAKMP packet with a malformed Cert Request…
published 2004-03-25 22 y ago modified 2026-06-16 4 mo ago also EUVD-2004-0220
- cvss
- 10.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.6%
- EPSS 4.6% chance of exploitation in 30 days, percentile 91%
- public exploits
- 0
- none known
Summary
isakmpd in OpenBSD 3.4 and earlier allows remote attackers to cause a denial of service via an ISAKMP packet with a malformed Cert Request payload, which causes an integer underflow that is used in a malloc operation that is not properly handled, as demonstrated by the Striker ISAKMP Protocol Test Suite.
Patch / fix
- openbsd.org/errata.html advisory
Exploit prediction
4.60% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
openbsd.org
/errata.html
vendor-advisory, patch
-
securitytracker.com
/alerts/2004/Mar/1009468.html
vdb-entry
-
securityfocus.com
/bid/9907
vdb-entry
-
marc.info
/?l=bugtraq&m=108008530028019&w=2
mailing-list
-
kb.cert.org
/vuls/id/223273
third-party-advisory, us-government-resource
-
exchange.xforce.ibmcloud.com
/vulnerabilities/15629
vdb-entry
- rapid7.com /advisories/R7-0018.html
Sources
- CVE List CVE-2004-0220
- NVD CVE-2004-0220
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