CVE-2024-56529

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-01-28 · updated 2026-06-17
Weakness: CWE-384

Description

Mailcow through 2024-11b has a session fixation vulnerability in the web panel. It allows remote attackers to set a session identifier when HSTS is disabled on a victim's browser. After a user logs in, they are authenticated and the session identifier is valid. Then, a remote attacker can access the victim's web panel with the same session identifier.

References

https://github.com/mailcow/mailcow-dockerized/security/advisories/GHSA-23c8-4wwr-g3c6

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