CVE-2025-52373

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.30% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 22.5% of scored records. A rank, not a probability.

NVD base score

4.6 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2025-07-21 00:00Z1 YR AGO

Last updated

2025-07-22 15:24Z1 YR AGO

Reserved

2025-06-16

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 4.6)

CNA CVSS vector

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

Weaknesses

• CWE-321Use of Hard-coded Cryptographic KeyVariant

Data version

5.1

Document digest

dd23011938b048a2a04cd3ced1760db760ffd16df75504b64c63e7af8ba604fb

• github.comhttps://github.com/mojibake-dev/hMailEnum
• github.comhttps://github.com/hmailserver/hmailserver
• github.comhttps://github.com/mojibake-dev/mojibake-CVE/blob/main/hMailServer/CVE-2025-52373.md