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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.44%
Third-Party Advisory redhat.com
Affected: n/a pam
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1901094 issue tracking third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-27780?
CVE-2020-27780 has been scored as a critical severity vulnerability.
How to fix CVE-2020-27780?
To fix CVE-2020-27780, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-27780 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-27780 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-27780?
CVE-2020-27780 affects n/a pam.
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