Auth bypass in Himmelblau-idm Himmelblau
CVE-2025-53013
Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. A vulnerability present in versions 0.9.10 through 0.9.16 allows a user to authenticate to a Linux host via Himmelblau using an *invalid* Linux Hello PIN, pro…
Vulnerability class: Broken Authentication
EPSS: 0.002 (10.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.2 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N.
Affected products
- Himmelblau-idm Himmelblau — versions >= 0.9.10, < 0.9.17
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2025-53013?
- CVE-2025-53013 is a medium-severity vulnerability in Himmelblau-idm Himmelblau, classified under Improper Authentication. CVSS score: 5.2/10. Published 2025-06-26.
- How severe is CVE-2025-53013?
- Medium severity. CVSS v3 base score is 5.2 out of 10.