Auth bypass in Cisco Secure Access Control Server

CVE-2013-3466

The EAP-FAST authentication module in Cisco Secure Access Control Server (ACS) 4.x before 4.2.1.15.11, when a RADIUS server configuration is enabled, does not properly parse user identities, which allows remote attackers to execute arbitrary commands via crafted EAP-FAST packets, aka Bug ID CSCui57636.

Vulnerability class: Broken Authentication

EPSS: 0.051 (91.8th percentile) — read the EPSS interpretation.

Affected products

Cisco Secure_access_control_server — versions 4.2.1.15.0, 4.2.1.15.1, 4.2.1.15.2
N/a — versions n/a

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
psirt@cisco.com (x_refsource_OSVDB, vdb-entry)