CVE-2025-34489: GFI MailEssentials prior to version 21.8 is vulnerable to a local privilege escalation issue. A local attacker can escalate to NT Authority/SYSTEM by sending a…

PriorityP341high7.8CVSS 3.1

AVLACLPRLUINSUCHIHAH

EPSS

0.27%

18.4th percentile

GFI MailEssentials prior to version 21.8 is vulnerable to a local privilege escalation issue. A local attacker can escalate to NT Authority/SYSTEM by sending a crafted serialized payload to a .NET Remoting Service.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
gfi	mailessentials	< 21.8	21.8

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