CVE-2025-34491 | GFI MailEssentials up to 21.7 .NET Deserialization deserialization
A vulnerability classified as very critical was found in GFI MailEssentials up to 21.7. Affected by this vulnerability is an unknown functionality of the component .NET Deserialization. The manipulation leads to deserialization.
This vulnerability is known as CVE-2025-34491. The attack can be launched remotely. There is no exploit available.
It is recommended to upgrade the affected component.