CVE-2005-4466

CVE-2005-4466 is a high-severity vulnerability in Interactive Intelligence Interaction Sip Proxy with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation.

Key facts

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.

Frequently asked questions

What is CVE-2005-4466?
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.
How severe is CVE-2005-4466?
CVE-2005-4466 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-4466 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-4466?
CVE-2005-4466 affects Interactive Intelligence Interaction Sip Proxy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-4466?
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-2005-4466 published?
CVE-2005-4466 was published on 2005-12-22 and last updated on 2026-06-16.

References

Affected products (1)