The Zoner AntiVirus Free application for Android does not verify that the server hostname matches a domain name in the subjects 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.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Zoner_antivirus_free | Zoner | - (including) | - (including) |
| Zoner_antivirus_free | Zoner | 1.7.0 (including) | 1.7.0 (including) |