CVE-2020-27780: A flaw was found in Linux-Pam in versions prior to 1.5.1 in the way it handle empty passwords for non-existing users. When the user doesn't exist PAM try to authenticate with root and in the case of an empty password it successfully authenticate.

Overview

Severity
Critical (CVSS 9.8)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Status
Not Exploited
Patch Tuesday
2020-Dec
Released
2020-12-22
EPSS Score
0.44% (percentile: 63.9%)

Affected Products (1)

Mariner

  • cm1 pam 1.5.1-2 on CBL Mariner 1.0

Revision History

  • 2020-12-22: Information published.