CVE-2003-1113

Exp

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.

Published: 2003-12-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2003-1113 is rated High Exploit Risk (72/100): CVSS High severity, with high exploitation likelihood (EPSS 5.14%, 91th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2003-1113

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2003-1113

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 19.78% 5.14% -14.64%
2 2025-12-28 15.73% 19.78% +4.05%
3 2025-03-30 15.73%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-1113

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2003-1113

Affected software / configurations for CVE-2003-1113

Vendor Product Version Raw CPE
iptel sip_express_router 0.8.8 cpe:2.3:h:iptel:sip_express_router:0.8.8:*:*:*:*:*:*:*
iptel sip_express_router 0.8.9 cpe:2.3:h:iptel:sip_express_router:0.8.9:*:*:*:*:*:*:*

References for CVE-2003-1113

cvelogic Threat Intelligence