CVE-2025-52374

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-52374
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.

4.6 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.1 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/hmailserver/hmailserver Product
https://github.com/mojibake-dev/hMailEnum Exploit Third Party Advisory
https://github.com/mojibake-dev/mojibake-CVE/blob/main/hMailServer/CVE-2025-52374.md Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:hmailserver:hmailserver:5.6.9:beta:*:*:*:*:*:*
cpe:2.3:a:hmailserver:hmailserver:5.8.6:*:*:*:*:*:*:*
History

07 Aug 2025, 18:00

Type Values Removed Values Added
Summary
  • (es) El uso de una clave criptográfica codificada en Encryption.cs en hMailServer 5.8.6 y 5.6.9-beta permite a un atacante descifrar las contraseñas de otros servidores desde el archivo hMailAdmin.exe.config para acceder a otras consolas de administración de hMailServer con conexiones configuradas.
First Time Hmailserver hmailserver
Hmailserver
CPE cpe:2.3:a:hmailserver:hmailserver:5.8.6:*:*:*:*:*:*:*
cpe:2.3:a:hmailserver:hmailserver:5.6.9:beta:*:*:*:*:*:*
References () https://github.com/hmailserver/hmailserver - () https://github.com/hmailserver/hmailserver - Product
References () https://github.com/mojibake-dev/hMailEnum - () https://github.com/mojibake-dev/hMailEnum - Exploit, Third Party Advisory
References () https://github.com/mojibake-dev/mojibake-CVE/blob/main/hMailServer/CVE-2025-52374.md - () https://github.com/mojibake-dev/mojibake-CVE/blob/main/hMailServer/CVE-2025-52374.md - Exploit, Third Party Advisory

22 Jul 2025, 16:15

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 4.6
CWE CWE-321

21 Jul 2025, 16:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-07-21 16:15

Updated : 2025-08-07 18:00

NVD link : CVE-2025-52374

Mitre link : CVE-2025-52374

CVE.ORG link : CVE-2025-52374

JSON object : View

Products Affected

hmailserver

  • hmailserver
CWE
CWE-321

Use of Hard-coded Cryptographic Key