CVE-2012-5456: Zoner Antivirus Free

Medium severity, CVSS 4.3. EPSS: 1% chance of exploitation in the next 30 days.

The Zoner AntiVirus Free application for Android does not verify that the server hostname matches a domain name in the subject's Common Name (CN) field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate, as demonstrated by a server used for updating virus signature files.

Affected products

• Zoner Zoner Antivirus Free: affected versions not specified; version 1.7.0 only

Published 2012-10-24. Last modified 2026-06-16.