CVE-2025-34490

Public Exploit
GFI MailEssentials XXE Vulnerability

Description

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.05%
Vendor Advisory gfi.ai
Affected: GFI MailEssentials
Published at:
Updated at:

References

Link Tags
https://frycos.github.io/vulns4free/2025/04/28/mailessentials.html exploit technical description
https://gfi.ai/products-and-solutions/network-security-solutions/mailessentials/resources/documentation/product-releases release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2025-34490?
CVE-2025-34490 has been scored as a medium severity vulnerability.
How to fix CVE-2025-34490?
To fix CVE-2025-34490, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-34490 being actively exploited in the wild?
It is possible that CVE-2025-34490 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-34490?
CVE-2025-34490 affects GFI MailEssentials.
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