# CVE-2003-1110

## Summary

- **CVE ID:** CVE-2003-1110
- **Severity:** UNKNOWN
- **CVSS Score:** 0.98
- **CWE:** N/A
- **Published:** Mar 11, 2005
- **Last Modified:** Mar 16, 2026

## 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.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://www.cs.columbia.edu/~xiaotaow/sipc/ouspg.html)
- [CNA](http://www.ee.oulu.fi/research/ouspg/protos/testing/c07/sip/)
- [CNA](http://www.kb.cert.org/vuls/id/528719)
- [CNA](http://www.cert.org/advisories/CA-2003-06.html)
- [CNA](http://www.securityfocus.com/bid/6904)
- [CNA](https://exchange.xforce.ibmcloud.com/vulnerabilities/11379)
- [CNA](http://securitytracker.com/id?1006167)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 24.61%
- **EPSS Percentile:** 96.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._