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CVE-2025-34489

GFI MailEssentials < 21.8 Local Privilege Escalation

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 21.8
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: total

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • GFI MailEssentials

    fixed in 21.8

References 3

frycos.github.io

gfi.ai

vulncheck.com