What’s Vulnerable › Vulnerabilities

CVE-2025-52374

• Severity: medium (CVSS 4.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-07-21 · updated 2026-06-17
• Weakness: CWE-321

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.

Affected products

• Hmailserver: 5.6.9-beta, 5.8.6

References

• https://github.com/hmailserver/hmailserver
• https://github.com/mojibake-dev/hMailEnum
• https://github.com/mojibake-dev/mojibake-CVE/blob/main/hMailServer/CVE-2025-52374.md

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