CVE-2016-6469: Cisco Web Security Appliance

High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days.

A vulnerability in HTTP URL parsing of Cisco AsyncOS for Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) vulnerability due to the proxy process unexpectedly restarting. More Information: CSCvb04312. Known Affected Releases: 9.0.1-162 9.1.1-074. Known Fixed Releases: 10.1.0-129 9.1.2-010.

Affected products

• Cisco Web Security Appliance: version 9.0.1-162 only; version 9.1.1-074 only

Published 2016-12-14. Last modified 2026-06-17.