CVE-2013-5536: Cisco Secure Access Control System

Medium severity, CVSS 5.0. EPSS: 1.5% chance of exploitation in the next 30 days.

Cisco Secure Access Control System (ACS) does not properly implement an incoming-packet firewall rule, which allows remote attackers to cause a denial of service (process crash) via a flood of crafted packets, aka Bug ID CSCui51521.

Affected products

• Cisco Secure Access Control System: affected versions not specified

Published 2013-10-24. Last modified 2026-06-16.