CVE-2025-34489 | GFI MailEssentials up to 21.7 .NET Remoting Service deserialization

A vulnerability, which was classified as critical, has been found in GFI MailEssentials up to 21.7. This issue affects some unknown processing of the component .NET Remoting Service. The manipulation leads to deserialization.

The identification of this vulnerability is CVE-2025-34489. The attack needs to be approached locally. There is no exploit available.

It is recommended to upgrade the affected component.