What is CVE-2025-25198?

CVE-2025-25198 is a high-severity vulnerability in Mailcow Mailcow\, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 7.1/10. Published 2025-02-12.

How severe is CVE-2025-25198?

High severity. CVSS v3 base score is 7.1 out of 10.

Is CVE-2025-25198 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Open Redirect in Mailcow Mailcow\

CVE-2025-25198

mailcow: dockerized is an open source groupware/email suite based on docker. Prior to version 2025-01a, a vulnerability in mailcow's password reset functionality allows an attacker to manipulate the `Host HTTP` header to generate a passwor…

Vulnerability class: Open Redirect

EPSS: 0.011 (61.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N.

Affected products

Mailcow Mailcow\ — versions _dockerized
Mailcow Mailcow-dockerized — versions < 2025-01a

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

Public proof-of-concept exploits

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2025-25198?: CVE-2025-25198 is a high-severity vulnerability in Mailcow Mailcow\, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 7.1/10. Published 2025-02-12.
How severe is CVE-2025-25198?: High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2025-25198 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.