Auth bypass in Troglobit Finit

CVE-2025-29906

Finit is a fast init for Linux systems. Versions starting from 3.0-rc1 and prior to version 4.11 bundle an implementation of getty for the `tty` configuration directive that can bypass `/bin/login`, i.e., a user can log in as any user without authentication. This issue has been patched in version 4.11.

Vulnerability class: Broken Authentication

EPSS: 0.002 (11.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-29906?
CVE-2025-29906 is a high-severity vulnerability in Troglobit Finit, classified under Improper Authentication. CVSS score: 8.6/10. Published 2025-04-29.
How severe is CVE-2025-29906?
High severity. CVSS v3 base score is 8.6 out of 10.