CVE-2021-20251

low-risk
Published 2023-03-06

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.

Do I need to act?

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0.22% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10 Medium
NETWORK / HIGH complexity

Affected Products (2)

Affected Vendors

Samba Fedoraproject

References (8)

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1929800
Exploit https://bugzilla.samba.org/show_bug.cgi?id=14611
https://security.gentoo.org/glsa/202309-06
Third Party Advisory https://security.netapp.com/advisory/ntap-20230331-0005/
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1929800
Exploit https://bugzilla.samba.org/show_bug.cgi?id=14611
https://security.gentoo.org/glsa/202309-06
Third Party Advisory https://security.netapp.com/advisory/ntap-20230331-0005/
26
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 7/34 · Low