CVE-2002-0159: Cisco Secure Access Control Server

High severity, CVSS 7.5. EPSS: 5.4% chance of exploitation in the next 30 days.

Format string vulnerability in the administration function in Cisco Secure Access Control Server (ACS) for Windows, 2.6.x and earlier and 3.x through 3.01 (build 40), allows remote attackers to crash the CSADMIN module only (denial of service of administration function) or execute arbitrary code via format strings in the URL to port 2002.

Affected products

• Cisco Secure Access Control Server: version 2.6 only; version 2.6.2 only; version 2.6.3 only; version 2.6.4 only; version 3.0 only; version 3.0.1 only

Published 2002-04-22. Last modified 2026-06-16.