CVE-2021-20251

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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
2026-03-13T00:45:29.625300Z
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.

References

Affected packages

Git / github.com/samba-team/samba

Affected ranges

Type
GIT
Repo
https://github.com/samba-team/samba
Events
Introduced
a6fb418be7adccdd583a3b489b58023cfdd392ef
Fixed
6cc6e233b5ceb2a579400f020b61c67ca7bbeb78
Introduced
fbec737d9d3d992b54f52defcba62a304efef8f7
Fixed
ab48448c650c96095fa183c3531a3dd244983664
Database specific 
{
    "versions": [
        {
            "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
samba-4.17.3

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "37"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-20251.json"