Auth bypass in Cisco 5500 Series Adaptive Security Appliance

CVE-2012-4659

The AAA functionality in the IPv4 SSL VPN implementations on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, with software 8.2 before 8.2(5.30) and 8.3 before 8.3(2.34) allows remote attackers to cause a denial of service (device reload) via a crafted authentication response, aka Bug ID CSCtz04566.

Vulnerability class: Broken Authentication

EPSS: 0.026 (84.1th percentile) — read the EPSS interpretation.

Affected products

Cisco 5500_series_adaptive_security_appliance
Cisco Adaptive_security_appliance_software — versions 8.3\(1\), 8.2(3), 8.2(4.4)
Cisco Catalyst_6500
Cisco Catalyst_6503-e
Cisco Catalyst_6504-e
Cisco Catalyst_6506-e
Cisco Catalyst_6509-e
Cisco Catalyst_6509-neb-a
Cisco Catalyst_6509-v-e
Cisco Catalyst_6513

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
psirt@cisco.com (vdb-entry, x_refsource_BID)
psirt@cisco.com (x_refsource_OSVDB, vdb-entry)