CVE-2025-34491 GFI MailEssentials MultiNode Insecure Deserialization

Vulnerability Details

Basic Information

Title CVE-2025-34491 GFI MailEssentials MultiNode Insecure Deserialization
Type cvelist
Published 2025-04-28T19:20:02
Last Seen 2025-04-28T19:42:56
CVSS Score 8.8 (HIGH)

CVSS v3 Details

Attack Vector NETWORK
Attack Complexity LOW
Privileges Required LOW
User Interaction NONE
Scope UNCHANGED
Confidentiality Impact HIGH
Integrity Impact HIGH
Availability Impact HIGH

CVE Information

CVE IDs CVE-2025-34491
CWE CWE-502
Bulletin Family cve

Description

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…

Impact Assessment

Base Score 8.8
Severity HIGH

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