CVE-2021-20251

mediumpriority · track · 24EPSS 0.008 · 55 %ileDEEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.76% (55th) EPSS
CVSS 5.9 · medium
Is it mine?
22 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-28

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.

01

cvss

Technical severity, 0–10. One row per scoring source.

5.9
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.3–5.9

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 2.2 · impact 3.6
v3.13.3lowAV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · FSTEC (BDU) RU
v3.15.4mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-362USprimaryCWE-200USCWE-266USCWE-284US
04

affected products (22)

Products and version ranges known to be affected.

showing 20 of 22
05

advisories (1)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2022-1799Samba: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2022-10-19csaf · cert_bundDE

    Ein entfernter Angreifer kann eine Schwachstelle in Samba ausnutzen, um Sicherheitsvorkehrungen zu umgehen.

06

also known as (4)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducert_bundnvdNVDCVE.orgMITRE
published 2023-03-06modified 2026-06-17
09

references (17)

External citations — patches, advisories, analysis.

scry

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