CVE-2021-20251 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.004.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Fedoraproject	Fedora
Samba	Samba

Configuration 1 [-]

OR	cpe:2.3:a:samba:samba::::::::
	cpe:2.3:a:samba:samba::::::::

Configuration 2 [-]

cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2021-7689	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.
Ubuntu USN	USN-5822-1	Samba vulnerabilities

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://bugzilla.redhat.com/show_bug.cgi?id=1929800
https://bugzilla.samba.org/show_bug.cgi?id=14611
https://nvd.nist.gov/vuln/detail/CVE-2021-20251
https://security.gentoo.org/glsa/202309-06
https://security.netapp.com/advisory/ntap-20230331-0005/
https://www.cve.org/CVERecord?id=CVE-2021-20251

History

Thu, 06 Mar 2025 16:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2023-03-06T00:00:00.000Z

Updated: 2025-03-06T15:49:56.099Z

Reserved: 2020-12-17T00:00:00.000Z

Link: CVE-2021-20251

Vulnrichment

Updated: 2024-08-03T17:37:23.406Z

NVD

Status : Modified

Published: 2023-03-06T23:15:10.387

Modified: 2024-11-21T05:46:12.853

Link: CVE-2021-20251

Redhat

Severity : Low

Publid Date: 2021-02-05T00:00:00Z

Links: CVE-2021-20251 - Bugzilla

OpenCVE Enrichment

No data.

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