CVE-2011-3298

Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services module in Cisco Catalyst 6500 series devices, with software 7.0 before 7.0(8.13), 7.1 and 7.2 before 7.2(5.3), 8.0 before 8.0(5.24), 8.1 before 8.1(2.50), 8.2 before 8.2(5), 8.3 before 8.3(2.18), 8.4 before 8.4(1.10), and 8.5 before 8.5(1.1) and Cisco Firewall Services Module (aka FWSM) 3.1 before 3.1(21), 3.2 before 3.2(22), 4.0 before 4.0(16), and 4.1 before 4.1(7) allow remote attackers to bypass authentication via a crafted TACACS+ reply, aka Bug IDs CSCto40365 and CSCto74274.

Published: 2011-10-06 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-3298 is rated Moderate Risk (51/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.86%). 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.

Exploit prediction scoring system (EPSS) score for CVE-2011-3298

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 0.23% 0.86% +0.63%
2 2025-03-30 0.42% 0.23% -0.20%
3 2025-03-29 0.42%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-3298

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.9 2.0 HIGH
AV:A/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:A)
Requires access to an adjacent network segment.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
5.5 10.0 [email protected]

Weakness enumeration for CVE-2011-3298

Affected software / configurations for CVE-2011-3298

Vendor Product Version Raw CPE
cisco adaptive_security_appliance_software 7.0 cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.0\(0\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(0\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.0\(1\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(1\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.0\(2\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(2\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.0\(4\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(4\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.0\(5\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(5\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.0\(5.2\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(5.2\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.0\(6\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(6\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.0\(6.7\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(6.7\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.0\(7\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(7\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.0\(8\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(8\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.0.1 cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.1:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.0.1.4 cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.1.4:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.0.2 cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.2:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.0.4 cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.4:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.0.4.3 cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.4.3:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.0.5 cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.5:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.0.6 cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.6:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.0.7 cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.7:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.0.8 cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.8:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.0.8 cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.8:interim:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.1 cpe:2.3:o:cisco:adaptive_security_appliance_software:7.1:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.2 cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.2\(1\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(1\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.2\(1.22\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(1.22\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.2\(2\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(2\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.2\(2.5\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(2.5\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.2\(2.7\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(2.7\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.2\(2.8\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(2.8\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.2\(2.10\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(2.10\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.2\(2.14\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(2.14\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.2\(2.15\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(2.15\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.2\(2.16\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(2.16\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.2\(2.17\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(2.17\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.2\(2.18\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(2.18\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.2\(2.19\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(2.19\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.2\(2.48\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(2.48\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.2\(3\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(3\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.2\(4\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(4\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.2\(5\) cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2\(5\):*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.2.1 cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2.1:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.2.2 cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2.2:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.2.3 cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2.3:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.2.4 cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2.4:*:*:*:*:*:*:*
cisco adaptive_security_appliance_software 7.2.5 cpe:2.3:o:cisco:adaptive_security_appliance_software:7.2.5:*:*:*:*:*:*:*
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 8.3\(1\) 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\(1\) 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 adaptive_security_appliance_software 8.5\(1\) cpe:2.3:o:cisco:adaptive_security_appliance_software:8.5\(1\):*:*:*:*:*:*:*
cisco 5500_series_adaptive_security_appliance cpe:2.3:h:cisco:5500_series_adaptive_security_appliance:*:*:*:*:*:*:*:*
cisco asa_5500 cpe:2.3:h:cisco:asa_5500:*:*:*:*:*:*:*:*
cisco firewall_services_module_software 3.1 cpe:2.3:a:cisco:firewall_services_module_software:3.1:*:*:*:*:*:*:*
cisco firewall_services_module_software 3.1\(2\) cpe:2.3:a:cisco:firewall_services_module_software:3.1\(2\):*:*:*:*:*:*:*
cisco firewall_services_module_software 3.1\(3\) cpe:2.3:a:cisco:firewall_services_module_software:3.1\(3\):*:*:*:*:*:*:*
cisco firewall_services_module_software 3.1\(4\) cpe:2.3:a:cisco:firewall_services_module_software:3.1\(4\):*:*:*:*:*:*:*
cisco firewall_services_module_software 3.1\(5\) cpe:2.3:a:cisco:firewall_services_module_software:3.1\(5\):*:*:*:*:*:*:*

References for CVE-2011-3298

cvelogic Threat Intelligence