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Product · GFI

MailEssentials

3 known vulnerabilities.

MailEssentials at a glance

Last 12 months
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All Critical High Medium Low Exploited only Public exploit

3 results · Feed

  • High 8.8
    CVE-2025-34491

    GFI MailEssentials < 21.8 MultiNode Insecure Deserialization

    GFI MailEssentials prior to version 21.8 is vulnerable to a .NET deserialization issue. A remote and authenticated attacker can execute arbitrary code by sending crafted serialized .NET when joining to a Multi-Server setup.

    GFI MailEssentials
  • Medium 6.5
    CVE-2025-34490

    GFI MailEssentials < 21.8 XXE Arbitrary File Read

    GFI MailEssentials prior to version 21.8 is vulnerable to an XML External Entity (XXE) issue. An authenticated and remote attacker can send crafted HTTP requests to read arbitrary system files.

    GFI MailEssentials
  • High 7.8
    CVE-2025-34489

    GFI MailEssentials < 21.8 Local Privilege Escalation

    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.

    GFI MailEssentials