CVE-2025-34490

moderate-risk

Published 2025-04-28

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.

Do I need to act?

0.13% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 6.5/10 Medium

NETWORK / LOW complexity

Affected Products (1)

Mailessentials

Affected Vendors

Gfi

References (3)

Exploit https://frycos.github.io/vulns4free/2025/04/28/mailessentials.html

Release Notes https://gfi.ai/products-and-solutions/network-security-solutions/mailessentials/...

https://www.vulncheck.com/advisories/gfi-mailessentials-xxe-arbitrary-file-read

/ 100

moderate-risk

Severity 24/34 · High

Exploitability 1/34 · Minimal

Exposure 5/34 · Minimal