Vulnerability Details : CVE-2020-24612

An issue was discovered in the selinux-policy (aka Reference Policy) package 3.14 through 2020-08-24 because the .config/Yubico directory is mishandled. Consequently, when SELinux is in enforced mode, pam-u2f is not allowed to read the user's U2F configuration file. If configured with the nouserok option (the default when configured by the authselect tool), and that file cannot be read, the second factor is disabled. An attacker with only the knowledge of the password can then log in, bypassing 2FA.
Published 2020-08-24 21:15:16
Updated 2020-09-01 19:02:04
Source MITRE
View at NVD,   CVE.org
Vulnerability category: BypassGain privilege

Exploit prediction scoring system (EPSS) score for CVE-2020-24612

EPSS FAQ
0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 10 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-24612

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
1.9
 LOW AV:L/AC:M/Au:N/C:P/I:N/A:N
3.4
2.9
 NIST
6.7
 MEDIUM CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
1.4
5.2
 MITRE
4.7
 MEDIUM CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
1.0
3.6
 NIST

CWE ids for CVE-2020-24612

  • When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-24612

Products affected by CVE-2020-24612

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