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CVE-2021-20251

Good to know:

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Date: March 5, 2023

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.

Language: C

Severity Score

Related Resources (8)

https://security-tracker.debian.org/tracker/CVE-2021-20251
https://nvd.nist.gov/vuln/detail/CVE-2021-20251
https://bugzilla.samba.org/show_bug.cgi?id=14611
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-20251
https://bugzilla.redhat.com/show_bug.cgi?id=1929800
https://security.netapp.com/advisory/ntap-20230331-0005/
https://security.gentoo.org/glsa/202309-06
https://www.mend.io/vulnerability-database/CVE-2021-20251

Severity Score

Weakness Type (CWE)

Race Conditions

CWE-362

Top Fix

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Upgrade Version

Upgrade to version samba-4.17.1,tevent-0.14.0,tdb-1.4.8,talloc-2.4.0,ldb-2.7.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

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