The Session Initiation Protocol (SIP) implementation in Ingate Firewall and Ingate SIParator before 3.1.3 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.
Conclusion & alert: CVE-2003-1112 is rated High Exploit Risk (71.7/100): CVSS High severity, with high exploitation likelihood (EPSS 4.68%, 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.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 14.53% | 4.68% | -9.85% |
| 2 | 2025-12-28 | 11.56% | 14.53% | +2.97% |
| 3 | 2025-03-30 | — | 11.56% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ingate | ingate_firewall | — | cpe:2.3:h:ingate:ingate_firewall:*:*:*:*:*:*:*:* |
| ingate | ingate_siparator | — | cpe:2.3:h:ingate:ingate_siparator:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.cert.org/advisories/CA-2003-06.html | Third Party Advisory US Government Resource |
| http://www.ee.oulu.fi/research/ouspg/protos/testing/c07/sip/ | Exploit |
| http://www.kb.cert.org/vuls/id/528719 | Third Party Advisory US Government Resource |
| http://www.securityfocus.com/bid/6904 | Patch |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/11379 |