Directory traversal vulnerability in Cisco Network Admission Control (NAC) Manager 4.8.x allows remote attackers to read arbitrary files via crafted traffic to TCP port 443, aka Bug ID CSCtq10755.
Conclusion & alert: CVE-2011-3305 is rated Moderate Risk (60.2/100): CVSS High severity, with high exploitation likelihood (EPSS 42.00%, 97th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. 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 | 2025-06-06 | 48.74% | 42.00% | -6.74% |
| 2 | 2025-03-30 | 45.95% | 48.74% | +2.79% |
| 3 | 2025-03-29 | — | 45.95% | — |
Full EPSS history (8 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 | nac_manager | 4.8 | cpe:2.3:a:cisco:nac_manager:4.8:*:*:*:*:*:*:* |
| cisco | nac_manager | 4.8\(1\) | cpe:2.3:a:cisco:nac_manager:4.8\(1\):*:*:*:*:*:*:* |
| cisco | nac_manager | 4.8\(2\) | cpe:2.3:a:cisco:nac_manager:4.8\(2\):*:*:*:*:*:*:* |