CVE-2021-20251

Source
https://cve.org/CVERecord?id=CVE-2021-20251
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-20251.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-20251
Downstream
Related
Published
2023-03-06T23:15:10.387Z
Modified
2026-04-11T12:35:19.090386Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
Summary
[none]
Details

A flaw was found in samba. A race condition in the password lockout code may lead to the risk of brute force attacks being successful if special conditions are met.

Database specific
{
    "unresolved_ranges": [
        {
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "37"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/samba-team/samba

Affected ranges

Type
GIT
Repo
https://github.com/samba-team/samba
Events
Database specific
{
    "source": "CPE_FIELD",
    "cpe": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "4.1.0"
        },
        {
            "fixed": "4.16.8"
        },
        {
            "introduced": "4.17.0"
        },
        {
            "fixed": "4.17.4"
        }
    ]
}

Affected versions

samba-4.*
samba-4.17.0
samba-4.17.1
samba-4.17.2

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-20251.json"