CVE-2003-1115
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.68%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 4.68% probability · 92th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- nortel/succession communication server 2000
- Source
- cve@mitre.org
EPSS 4.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.cert.org/advisories/CA-2003-06.htmlThird Party Advisory, US Government Resource
- http://www.ee.oulu.fi/research/ouspg/protos/testing/c07/sip/Exploit
- http://www.kb.cert.org/vuls/id/528719Third Party Advisory, US Government Resource
- http://www.securityfocus.com/bid/6904Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/11379
- http://www.cert.org/advisories/CA-2003-06.htmlThird Party Advisory, US Government Resource
- http://www.ee.oulu.fi/research/ouspg/protos/testing/c07/sip/Exploit
- http://www.kb.cert.org/vuls/id/528719Third Party Advisory, US Government Resource
- http://www.securityfocus.com/bid/6904Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/11379
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.