CVE Vulnerability

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.

10 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1901094 Issue Tracking Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:linux-pam:linux-pam:*:*:*:*:*:*:*:*
Information

Published : 2020-12-18 12:15

Updated : 2020-12-28 07:11

NVD link : CVE-2020-27780

Mitre link : CVE-2020-27780

Products Affected
No products.
CWE
CWE-287