Cisco PIX 500 and ASA 5500 Series Security Appliances 7.2.2, when configured to inspect certain TCP-based protocols, allows remote attackers to cause a denial of service (device reboot) via malformed TCP packets.
Conclusion & alert: CVE-2007-0959 is rated Moderate Risk (61.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.76%). 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 | 2026-03-12 | 2.72% | 2.76% | +0.04% |
| 2 | 2025-10-05 | 2.61% | 2.72% | +0.10% |
| 3 | 2025-03-30 | — | 2.61% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 2.0 | HIGH |
|
10.0 | 6.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cisco | asa_5500 | 7.2\(2\) | cpe:2.3:h:cisco:asa_5500:7.2\(2\):*:*:*:*:*:*:* |
| cisco | pix_firewall_software | 7.2\(2\) | cpe:2.3:o:cisco:pix_firewall_software:7.2\(2\):*:*:*:*:*:*:* |