CVE-2004-0155

CVE-2004-0155 is a high-severity vulnerability in Kame Racoon with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The KAME IKE Daemon Racoon, when authenticating a peer during Phase 1, validates the X.509 certificate but does not verify the RSA signature authentication, which allows remote attackers to establish unauthorized IP connections or conduct man-in-the-middle attacks using a valid, trusted X.509 certificate.

Frequently asked questions

What is CVE-2004-0155?
The KAME IKE Daemon Racoon, when authenticating a peer during Phase 1, validates the X.509 certificate but does not verify the RSA signature authentication, which allows remote attackers to establish unauthorized IP connections or conduct man-in-the-middle attacks using a valid, trusted X.509 certificate.
How severe is CVE-2004-0155?
CVE-2004-0155 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2004-0155 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0155?
CVE-2004-0155 affects Kame Racoon. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-0155?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2004-0155 published?
CVE-2004-0155 was published on 2004-06-01 and last updated on 2026-06-16.

References

Affected products (1)

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