CVE-2014-3381: Cisco Asyncos

Medium severity, CVSS 5.0. EPSS: 1.7% chance of exploitation in the next 30 days.

The ZIP inspection engine in Cisco AsyncOS 8.5 and earlier on the Cisco Email Security Appliance (ESA) does not properly analyze ZIP archives, which allows remote attackers to bypass malware filtering via a crafted archive, aka Bug ID CSCup07934.

Affected products

• Cisco Asyncos: up to and including 8.5

Published 2014-10-19. Last modified 2026-06-17.