CVE-2016-6462: Cisco Email Security Appliance Firmware

Medium severity, CVSS 5.3. EPSS: 2% chance of exploitation in the next 30 days.

A vulnerability in the email filtering functionality of Cisco AsyncOS Software for Cisco Email Security Appliances could allow an unauthenticated, remote attacker to bypass Advanced Malware Protection (AMP) filters that are configured for an affected device. This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for both virtual and hardware versions of Cisco Email Security Appliances, if the AMP feature is configured to scan incoming email attachments. More Information: CSCva13456. Known Affected Releases: 10.0.0-082 10.0.0-125 9.7.1-066. Known Fixed Releases: 10.0.0-203 9.7.2-131.

Affected products

• Cisco Email Security Appliance Firmware: version 9.7.1-06 only; version 10.0.0-082 only; version 10.0.0-125 only

Published 2016-11-19. Last modified 2026-06-17.