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 setup.

INFO

Published Date :

2025-04-28T19:20:02.027Z

Last Modified :

2025-04-28T19:41:07.044Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2025-34491 vulnerability.

No data.

REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-34491.

URL Resource
https://frycos.github.io/vulns4free/2025/04/28/mailessentials.html cve-icon cve-icon
https://gfi.ai/products-and-solutions/network-security-solutions/mailessentials/resources/documentation/product-releases cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
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Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact