CVE-2003-1115

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2003-12-31 · updated 2026-06-16

Description

The Session Initiation Protocol (SIP) implementation in Nortel Networks Succession Communication Server 2000, when using SIP-T, allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted INVITE messages, as demonstrated by the OUSPG PROTOS c07-sip test suite.

Affected products

Nortel Succession Communication Server 2000: all versions

References

http://www.cert.org/advisories/CA-2003-06.html
http://www.ee.oulu.fi/research/ouspg/protos/testing/c07/sip/
http://www.kb.cert.org/vuls/id/528719
http://www.securityfocus.com/bid/6904
https://exchange.xforce.ibmcloud.com/vulnerabilities/11379
http://www.cert.org/advisories/CA-2003-06.html
http://www.ee.oulu.fi/research/ouspg/protos/testing/c07/sip/
http://www.kb.cert.org/vuls/id/528719
http://www.securityfocus.com/bid/6904
https://exchange.xforce.ibmcloud.com/vulnerabilities/11379

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