The SIP module in Ingate Firewall before 4.6.1 and SIParator before 4.6.1 does not reuse SIP media ports in unspecified call hold and send-only stream scenarios, which allows remote attackers to cause a denial of service (port exhaustion) via unspecified vectors.
Conclusion & alert: CVE-2008-0263 is rated Moderate Risk (43.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.19%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2025-03-17 | 4.69% | 1.19% | -3.50% |
| 2 | 2025-03-12 | 3.79% | 4.69% | +0.90% |
| 3 | 2024-12-26 | — | 3.79% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ingate | firewall | <= 4.6 | cpe:2.3:a:ingate:firewall:*:*:*:*:*:*:*:* |
| ingate | ingate_siparator | <= 4.6 | cpe:2.3:a:ingate:ingate_siparator:*:*:*:*:*:*:*:* |