CVE-2025-34490

MEDIUM 6.5EPSS 0.7%

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.

CVSS v3.1: 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v3.1: 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS: 0.69% chance of exploitation in the next 30 days, 50th percentile
Published: 2025-04-28
Updated: 2025-11-19

Proof-of-concept exploits (1)

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

References

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