Auth bypass in Cisco 5500 Series Adaptive Security Appliance
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.9 (High). Vector: AV:A/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.009 (57.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Cisco 5500 Series Adaptive Security Appliance
- Cisco Adaptive Security Appliance Software — versions 8.2\(5\), 7.2(2.14), 8.4(1)
- Cisco Asa 5500
- Cisco Catalyst 6500
- Cisco Catalyst 7600
- Cisco Firewall Services Module Software — versions 4.0\(12\), 3.1(12), 4.0\(8\)
Weakness classification (CWE)
References
- exchange.xforce.ibmcloud.com/vulnerabilities/70328 (vdb-entry)
- www.cisco.com/warp/public/707/cisco-sa-20111005-asa.shtml (vendor-advisory, Vendor Advisory)
- www.cisco.com/warp/public/707/cisco-sa-20111005-fwsm.shtml (vendor-advisory, Vendor Advisory)