Is CVE-2005-4466 in the CISA KEV catalog?

No. CVE-2005-4466 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2005-4466?

CVE-2005-4466 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2005-4466?

CVE-2005-4466 has an EPSS score of 12.94% (96th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2005-4466

HIGHEPSS 96th pctl

7.5

CVSS v2

NVD

Description

Heap-based buffer overflow in the SIPParser function in i3sipmsg.dll in Interaction SIP Proxy before 3.0.011 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a REGISTER request with a SPI version number that contains a large number of space or tab characters.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

12.94%probability of exploitation in 30 days

96thpercentile

Very high risk: more likely to be exploited than 96% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.