CVE-2021-20316

EUVD-2021-7741
A flaw was found in the way Samba handled file/directory metadata. This flaw allows an authenticated attacker with permissions to read or modify share metadata, to perform this operation outside of the share.
Race Condition
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.8 MEDIUM
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 70%
Affected Products (NVD)
VendorProductVersion
sambasamba
𝑥
< 4.15.0
debiandebian_linux
10.0
debiandebian_linux
11.0
redhatvirtualization_host
4.0
redhatenterprise_linux
8.0
redhatenterprise_linux_aus
8.6
redhatenterprise_linux_eus
8.6
redhatenterprise_linux_tus
8.6
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
samba
bookworm
2:4.17.12+dfsg-0+deb12u1
fixed
bookworm (security)
2:4.17.12+dfsg-0+deb12u1
fixed
bullseye
ignored
bullseye (security)
vulnerable
buster
ignored
sid
2:4.21.1+dfsg-2
fixed
trixie
2:4.21.1+dfsg-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
samba
bionic
ignored
focal
ignored
hirsute
ignored
impish
ignored
jammy
ignored
kinetic
ignored
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
needed
xenial
needed