CVE-2021-20251

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.
Race Condition
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
redhatCNA
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CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 40%
VendorProductVersion
sambasamba
4.1.0 ≤
𝑥
< 4.16.8
sambasamba
4.17.0 ≤
𝑥
< 4.17.4
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
samba
bullseye (security)
vulnerable
bullseye
ignored
buster
ignored
bookworm
2:4.17.12+dfsg-0+deb12u1
fixed
bookworm (security)
2:4.17.12+dfsg-0+deb12u1
fixed
sid
2:4.21.1+dfsg-2
fixed
trixie
2:4.21.1+dfsg-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
samba
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
Fixed 2:4.16.8+dfsg-0ubuntu1
released
jammy
needed
focal
needed
bionic
needed
xenial
needs-triage
trusty
needs-triage