CVE-2025-52374 — MEDIUM (4.6)

Vulnerability 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.

CVSS Score

4.6

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Hmailserver	Hmailserver	5.6.9

Related Weaknesses (CWE)

CWE-321

References

https://github.com/hmailserver/hmailserverProduct
https://github.com/mojibake-dev/hMailEnumExploitThird Party Advisory
https://github.com/mojibake-dev/mojibake-CVE/blob/main/hMailServer/CVE-2025-5237ExploitThird Party Advisory

FAQ

What is CVE-2025-52374?

CVE-2025-52374 is a vulnerability with a CVSS score of 4.6 (MEDIUM). 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 hMailServe...

How severe is CVE-2025-52374?

CVE-2025-52374 has been rated MEDIUM with a CVSS base score of 4.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-52374?

Check the references section above for vendor advisories and patch information. Affected products include: Hmailserver Hmailserver.