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CVE-2004-0220

isakmpd in OpenBSD 3.4 and earlier allows remote attackers to cause a denial of service via an...

10.0 High

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.

Exploit likelihood

4.60%Up 3.3 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 10.0

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.

Record
CVE-2004-0220
CVSS 2.0
10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness
CWE-119
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2004-0220
Updated
2026-11-02
EUVDEUVD-2004-0220 No score

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.

Record
EUVD-2004-0220
Updated
2026-11-03
GitHub AdvisoriesGHSA-ff3x-wrw4-fq4c No score

isakmpd in OpenBSD 3.4 and earlier allows remote attackers to cause a denial of service via an...

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.

Record
GHSA-ff3x-wrw4-fq4c
Weakness
CWE-119
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2004-0220 is a high vulnerability (CVSS 10.0) in Openbsd, published March 25, 2004. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.60%, the 91st percentile. No source names a fixed version.

References

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