Critical severity9.8NVD Advisory· Published Dec 18, 2020· Updated Jun 17, 2026

CVE-2020-27780

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Linux Pam/Linux Pam2 versions
cpe:2.3:a:linux-pam:linux-pam:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:linux-pam:linux-pam:*:*:*:*:*:*:*:*range: >=1.5.0,<1.5.1
- (no CPE)range: <1.5.1
Linux-Pam/Linux-Pamdescription
osv-coords
pkg:rpm/opensuse/pam&distro=openSUSE%20Tumbleweed
Range: < 1.5.2-1.1

Patches

Vulnerability mechanics

References

bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory

News mentions

No linked articles in our index yet.

cvss	0.637
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000