CVE-2025-34490 GFI MailEssentials < 21.8 XXE Arbitrary File Read

Medium 6.5 Published Updated

An authenticated remote attacker can exploit an XML External Entity vulnerability to read arbitrary system files on GFI MailEssentials servers.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-34490?

CVE-2025-34490 is a medium-severity vulnerability in GFI MailEssentials, published on 28 Apr 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-611

Which versions are affected by CVE-2025-34490?

It affects 1 product.

Products include Gfi Mailessentials.

How do I fix CVE-2025-34490?

No fix has been published for CVE-2025-34490 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-34490 being exploited?

There is no known exploitation of CVE-2025-34490 in the wild and no public exploit code.

Sources

Also known as GHSA-2vcm-447j-6j4j.

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