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Vulnerability record · CVE-2003-1113 · published 31 December 2003

CVE-2003-1113: Iptel sip express router vulnerability

Iptel · Sip Express Router

The Session Initiation Protocol (SIP) implementation in IPTel SIP Express Router 0.8.9 and earlier 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.

7.5 CVSS 2.0 High EPSS 5.1% · top 7.9%
7.5CVSS 2.0 base score
5.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

The Session Initiation Protocol (SIP) implementation in IPTel SIP Express Router 0.8.9 and earlier 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.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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Source: NIST National Vulnerability Database (record CVE-2003-1113), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.