CVE-2025-52373

Use of hardcoded cryptographic key in BlowFish.cpp in hMailServer 5.8.6 and 5.6.9-beta allows attacker to decrypt passwords used in database connections from hMailServer.ini config file.

CVSS v3.1 CNA

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

EPSS

0.33% chance of exploitation in the next 30 days, 25th percentile

Published

2025-07-21

Updated

2025-07-22

Proof-of-concept exploits (1)

• mojibake-dev/hMailEnum0★ · 2025-06-18

Security advisories

• mojibake-dev/mojibake-CVE/blob/main/hMailServer/CVE-2025-52373.md
• hmailserver/hmailserver

References

• CVE Record
• NVD entry

Related

• CVE-2021-36799
• CVE-2025-52372
• CVE-2025-52374