Vulnerability Monitor

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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 crafted serialized payload to a .NET Remoting Service.

Published

2025-04-28T19:15:46.910

Last Modified

2025-11-04T23:15:36.803

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

Weaknesses

Type: Secondary
CWE-502
Type: Primary
CWE-502

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gfi	mailessentials	< 21.8	Yes

References

https://frycos.github.io/vulns4free/2025/04/28/mailessentials.html Exploit ([email protected])
https://gfi.ai/products-and-solutions/network-security-solutions/mailessentials/resources/documentation/product-releases Release Notes ([email protected])
https://www.vulncheck.com/advisories/gfi-mailessentials-local-privilege-escalation ([email protected])