Auth bypass in Freebsd

CVE-2014-3879

OpenPAM Nummularia 9.2 through 10.0 does not properly handle the error reported when an include directive refers to a policy that does not exist, which causes the loaded policy chain to no be discarded and allows context-dependent attackers to bypass authentication via a login (1) without a password or (2) with an incorrect password.

Vulnerability class: Broken Authentication

EPSS: 0.027 (84.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2014-3879?
CVE-2014-3879 is a critical-severity vulnerability in Freebsd, classified under Improper Authentication. CVSS score: 9.8/10. Published 2020-02-18.
How severe is CVE-2014-3879?
Critical severity. CVSS v3 base score is 9.8 out of 10.