The DCERPC 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 8.3 before 8.3(2.25), 8.4 before 8.4(2.5), and 8.5 before 8.5(1.13) and the Firewall Services Module (FWSM) 4.1 before 4.1(7) in Cisco Catalyst 6500 series switches and 7600 series routers allows remote attackers to cause a denial of service (device reload) via a crafted DCERPC packet, aka Bug IDs CSCtr21376 and CSCtr27524.
Conclusion & alert: CVE-2012-4662 is rated Moderate Risk (54.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.71%). 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 | 1.50% | 1.71% | +0.21% |
| 2 | 2025-03-30 | 1.18% | 1.50% | +0.33% |
| 3 | 2025-03-29 | — | 1.18% | — |
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 | 8.3\(1\) | 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 | 8.4 | 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 | 8.4\(2.11\) | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.4\(2.11\):*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.5 | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.5:*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.5\(1\) | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.5\(1\):*:*:*:*:*:*:* |
| cisco | adaptive_security_appliance_software | 8.5\(1.4\) | cpe:2.3:o:cisco:adaptive_security_appliance_software:8.5\(1.4\):*:*:*:*:*:*:* |
| cisco | 5500_series_adaptive_security_appliance | — | cpe:2.3:h:cisco:5500_series_adaptive_security_appliance:*:*:*:*:*:*:*:* |
| cisco | 7600_router | — | cpe:2.3:h:cisco:7600_router:*:*:*:*:*:*:*:* |
| 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:-:*:*:*:*:*:*:* |