CVE-2020-27780

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Source
https://cve.org/CVERecord?id=CVE-2020-27780
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-27780.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-27780
Downstream
Related
Published
2020-12-18T00:15:14Z
Modified
2026-10-24T10:50:02Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/linux-pam/linux-pam

Affected ranges

Type
GIT
Repo
https://github.com/linux-pam/linux-pam
Events
Introduced
62d826471e87e27b39a36ccbeee58999e2514a92
Fixed
225f17470eed9f44282f435ad1ed64c94d9a2ddf
Database specific
Show details 
{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:linux-pam:linux-pam:*:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "1.5.0"
                },
                {
                    "fixed":  "1.5.1"
                }
            ],
            "source":  "CPE_RANGE"
        }
    ]
}

Affected versions

v1.*
v1.5.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-27780.json"