CVE-2003-1110

CVE-2003-1110 is a high-severity vulnerability in Columbia University Sipc 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 Session Initiation Protocol (SIP) implementation in Columbia SIP User Agent (sipc) 1.74 and other versions before sipc 2.0 build 2003-02-21 allows remote attackers to cause a denial of service or execute arbitrary code via crafted INVITE messages, as demonstrated by the OUSPG PROTOS c07-sip test suite.

Frequently asked questions

What is CVE-2003-1110?
The Session Initiation Protocol (SIP) implementation in Columbia SIP User Agent (sipc) 1.74 and other versions before sipc 2.0 build 2003-02-21 allows remote attackers to cause a denial of service or execute arbitrary code via crafted INVITE messages, as demonstrated by the OUSPG PROTOS c07-sip test suite.
How severe is CVE-2003-1110?
CVE-2003-1110 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2003-1110 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-1110?
CVE-2003-1110 affects Columbia University Sipc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-1110?
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-2003-1110 published?
CVE-2003-1110 was published on 2003-12-31 and last updated on 2026-06-16.

References

Affected products (1)