CVE-2016-1486: Cisco Email Security Appliance

High severity, CVSS 7.5. EPSS: 3% chance of exploitation in the next 30 days.

A vulnerability in the email attachment scanning functionality of the Advanced Malware Protection (AMP) feature of Cisco AsyncOS Software for Cisco Email Security Appliances could allow an unauthenticated, remote attacker to cause an affected device to stop scanning and forwarding email messages due to a denial of service (DoS) condition. Affected Products: This vulnerability affects Cisco AsyncOS Software releases 9.7.1 and later, prior to the first fixed release, for both virtual and hardware Cisco Email Security Appliances, if the AMP feature is configured to scan incoming email attachments. More Information: CSCuy99453. Known Affected Releases: 9.7.1-066. Known Fixed Releases: 10.0.0-125 9.7.1-207 9.7.2-047.

Affected products

• Cisco Email Security Appliance: version 8.5.0-000 only; version 8.5.0-er1-198 only; version 8.5.6-052 only; version 8.5.6-073 only; version 8.5.6-074 only; version 8.5.6-106 only; …

Published 2016-10-28. Last modified 2026-06-17.