CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 8.8. It may be remotely exploitable. Exploitation may require the attacker to be authenticated.
CVE
CVE-2025-34491
Severity
HIGH
CVSS
8.8
EPSS
0.86%
Original NVD Description
GFI MailEssentials prior to version 21.8 is vulnerable to a .NET deserialization issue. A remote and authenticated attacker can execute arbitrary code by sending crafted serialized .NET when joining to a Multi-Server setup.
Related CVEs
Other vulnerabilities affecting the same vendor(s)