PoC Index

CVE-2025-34489

HIGH 7.8EPSS 0.3%

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.

CVSS v3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.31% chance of exploitation in the next 30 days, 24th percentile
Published
2025-04-28
Updated
2025-11-19

Proof-of-concept exploits (1)

References

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