The UDP inspection engine on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, with software 8.0 before 8.0(5.25), 8.1 before 8.1(2.50), 8.2 before 8.2(5.5), 8.3 before 8.3(2.22), 8.4 before 8.4(2.1), and 8.5 before 8.5(1.2) does not properly handle flows, which allows remote attackers to cause a denial of service (device reload) via a crafted series of (1) IPv4 or (2) IPv6 UDP packets, aka Bug ID CSCtq10441.
Conclusion & alert: CVE-2012-0353 is rated Moderate Risk (58/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.57%). 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 | 2026-06-15 | 2.02% | 2.57% | +0.55% |
| 2 | 2025-03-30 | 1.73% | 2.02% | +0.28% |
| 3 | 2025-03-29 | — | 1.73% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.1 | 2.0 | HIGH |
|
8.6 | 6.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cisco | adaptive_security_appliance_software | 8.0 | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0:*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.0\(2\) | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0\(2\):*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.0\(3\) | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0\(3\):*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.0\(4\) | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0\(4\):*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.0\(5\) | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0\(5\):*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.0.2 | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0.2:*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.0.3 | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0.3:*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.0.4 | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0.4:*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.0.5 | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.0.5:*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.1 | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.1:*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.2\(1\) | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(1\):*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.2\(2\) | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(2\):*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.2\(3\) | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(3\):*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.2\(3.9\) | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(3.9\):*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.2\(4\) | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(4\):*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.2\(4.1\) | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(4.1\):*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.2\(4.4\) | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(4.4\):*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.2\(5\) | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2\(5\):*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.2.1 | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2.1:*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.2.2 | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2.2:*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.2.2 | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2.2:interim:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.2.3 | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.2.3:*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.3\(1\) | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3\(1\):*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.3\(2\) | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3\(2\):*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.3.1 | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3.1:*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.3.1 | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3.1:interim:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.3.2 | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3.2:*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.4 | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4:*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.4\(1\) | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4\(1\):*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.4\(1.11\) | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4\(1.11\):*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.4\(2\) | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4\(2\):*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.5 | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.5:*:*:*:*:*:*:* |
| cisco | 5500_series_adaptive_security_appliance | — | cpe:2.3:h:cisco:5500_series_adaptive_security_appliance:*:*:*:*:*:*:*:* |
| cisco | catalyst_6500 | — | cpe:2.3:h:cisco:catalyst_6500:*:*:*:*:*:*:*:* |
| cisco | catalyst_6503-e | — | cpe:2.3:h:cisco:catalyst_6503-e:-:*:*:*:*:*:*:* |
| cisco | catalyst_6504-e | — | cpe:2.3:h:cisco:catalyst_6504-e:-:*:*:*:*:*:*:* |
| cisco | catalyst_6506-e | — | cpe:2.3:h:cisco:catalyst_6506-e:-:*:*:*:*:*:*:* |
| cisco | catalyst_6509-e | — | cpe:2.3:h:cisco:catalyst_6509-e:-:*:*:*:*:*:*:* |
| cisco | catalyst_6509-neb-a | — | cpe:2.3:h:cisco:catalyst_6509-neb-a:-:*:*:*:*:*:*:* |
| cisco | catalyst_6509-v-e | — | cpe:2.3:h:cisco:catalyst_6509-v-e:-:*:*:*:*:*:*:* |
| cisco | catalyst_6513 | — | cpe:2.3:h:cisco:catalyst_6513:-:*:*:*:*:*:*:* |
| cisco | catalyst_6513-e | — | cpe:2.3:h:cisco:catalyst_6513-e:-:*:*:*:*:*:*:* |