CVE-2005-3915

CVE-2005-3915 is a high-severity vulnerability in Clavister Clavister Firewall 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 Internet Key Exchange version 1 (IKEv1) implementation in Clavister Client Web allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted IKE packets, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1. NOTE: due to the lack of details in the advisory, it is unclear which of CVE-2005-3666, CVE-2005-3667, and/or CVE-2005-3668 this issue applies to.

Frequently asked questions

What is CVE-2005-3915?
The Internet Key Exchange version 1 (IKEv1) implementation in Clavister Client Web allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted IKE packets, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1. NOTE: due to the lack of details in the advisory, it is unclear which of CVE-2005-3666, CVE-2005-3667, and/or CVE-2005-3668 this issue applies to.
How severe is CVE-2005-3915?
CVE-2005-3915 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-3915 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-3915?
CVE-2005-3915 primarily affects Clavister Clavister Firewall. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-3915?
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-2005-3915 published?
CVE-2005-3915 was published on 2005-11-30 and last updated on 2026-06-16.

References

Affected products (4)