CVE-2025-34489

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-502

Affected software

Vendor	Product	Versions
GFI	MailEssentials	< 21.8

References

Timeline

Published: Apr 28, 2025
Last modified: Jun 17, 2026
NVD status: Modified

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