THREATPORT/VULNERABILITY/CVE-2004-0220
HIGH SEVERITY

CVE-2004-0220

Openbsd vulnerability

CVSS
10.0
EPSS
4.6%
EPSS pct
91th
Exploited
No known
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.
Affected vendor
Openbsd
Affected product
Openbsd
CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2004-05-04

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 4.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2004-0220

  • Confirm whether Openbsd Openbsd is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2004-0220.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2004-0220

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