Unspecified vulnerability in Cisco ASA 5500 Series Adaptive Security Appliance 7.2 before 7.2(4.46), 8.0 before 8.0(4.38), 8.1 before 8.1(2.29), and 8.2 before 8.2(1.5); and Cisco PIX 500 Series Security Appliance; allows remote attackers to cause a denial of service (prevention of new connections) via crafted TCP segments during termination of the TCP connection that cause the connection to remain in CLOSEWAIT status, aka "TCP Connection Exhaustion Denial of Service Vulnerability."
Conclusion & alert: CVE-2010-0149 is rated High Risk (66.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.05%). Core evidence: EPSS rose +3.64% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 2026-06-15 | 0.42% | 4.05% | +3.64% |
| 2 | 2026-03-07 | 0.63% | 0.42% | -0.21% |
| 3 | 2026-01-04 | — | 0.63% | — |
Full EPSS history (10 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 | 7.1 | cpe:2.3:h:cisco:asa_5500:7.1:*:*:*:*:*:*:* |
| cisco | asa_5500 | 7.2 | cpe:2.3:h:cisco:asa_5500:7.2:*:*:*:*:*:*:* |
| cisco | asa_5500 | 8.0 | cpe:2.3:h:cisco:asa_5500:8.0:*:*:*:*:*:*:* |
| cisco | asa_5500 | 8.1 | cpe:2.3:h:cisco:asa_5500:8.1:*:*:*:*:*:*:* |
| cisco | asa_5500 | 8.2 | cpe:2.3:h:cisco:asa_5500:8.2:*:*:*:*:*:*:* |
| cisco | pix_500 | — | cpe:2.3:h:cisco:pix_500:*:*:*:*:*:*:*:* |