Information disclosure in Hmailserver

CVE-2025-52372

An issue in hMailServer v.5.8.6 allows a local attacker to obtain sensitive information via the hmailserver/installation/hMailServerInnoExtension.iss and hMailServer.ini components.

Vulnerability class: Information Disclosure

EPSS: 0.002 (13.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

  • Hmailserver — versions 5.6.9, 5.8.6
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-52372?
CVE-2025-52372 is a medium-severity vulnerability in Hmailserver, classified under Information Disclosure. CVSS score: 5.1/10. Published 2025-07-21.
How severe is CVE-2025-52372?
Medium severity. CVSS v3 base score is 5.1 out of 10.
Is CVE-2025-52372 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.