CVE-2021-20251

MEDIUM

Samba 4.1.0-4.16.7 - Race Condition in Password Lockout Mechanism

Title source: llm
STIX 2.1

Description

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 (4)

Core 4
Core References
Third Party Advisory vendor-advisory
https://security.gentoo.org/glsa/202309-06
Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1929800
Exploit, Issue Tracking, Third Party Advisory
https://bugzilla.samba.org/show_bug.cgi?id=14611

Scores

CVSS v3 5.9
EPSS 0.0022
EPSS Percentile 44.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-362
Status published
Products (2)
fedoraproject/fedora 37
samba/samba 4.1.0 - 4.16.8
Published Mar 06, 2023
Tracked Since Feb 18, 2026