CVE-2025-52374

Name: CVE-2025-52374
Creator: NVD / NIST
Published: 2025-07-21T16:15:30.01+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.6/10EPSS 0.19%

Last modified Jun 17, 2026

CVE-2025-52374 is a medium-severity vulnerability rated 4.6/10 on the CVSS scale. Use of hardcoded cryptographic key in Encryption.cs in hMailServer 5.8.6 and 5.6.9-beta allows attacker to decrypt passwords to other servers from hMailAdmin.exe.config file to access other hMailServer admin consoles with configured connections.. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

Description

Use of hardcoded cryptographic key in Encryption.cs in hMailServer 5.8.6 and 5.6.9-beta allows attacker to decrypt passwords to other servers from hMailAdmin.exe.config file to access other hMailServer admin consoles with configured connections.

Metrics

CVSS 3.1

4.6/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

EPSS Probability

0.19%

8.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-321

Affected Software

Vendor	Product	Versions	Update
Hmailserver	Hmailserver	5.6.9	Beta
Hmailserver	Hmailserver	5.8.6	—

References

https://github.com/hmailserver/hmailserverProduct
https://github.com/mojibake-dev/hMailEnumExploit, Third Party Advisory
https://github.com/mojibake-dev/mojibake-CVE/blob/main/hMailServer/CVE-2025-52374.mdExploit, Third Party Advisory

Timeline

Published: Jul 21, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-52374?

How severe is CVE-2025-52374?

CVE-2025-52374 has a CVSS score of 4.6/10 (MEDIUM severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.

How do I fix CVE-2025-52374?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-52374?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST