CVE-2025-34489 | THREATINT

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.

Reserved 2025-04-15 | Published 2025-04-28 | Updated 2025-04-28 | Assigner VulnCheck

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

Problem types

CWE-502 Deserialization of Untrusted Data

Product status

Default status

unaffected

Any version before 21.8

affected

Credits

Frycos finder

References

frycos.github.io/vulns4free/2025/04/28/mailessentials.html technical-description exploit

gfi.ai/...ssentials/resources/documentation/product-releases vendor-advisory

cve.org (CVE-2025-34489)

nvd.nist.gov (CVE-2025-34489)

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