CVE-2021-20208

A flaw was found in cifs-utils in versions before 6.13. A user when mounting a krb5 CIFS file system from within a container can use Kerberos credentials of the host. The highest threat from this vulnerability is to data confidentiality and integrity.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.1 MEDIUM
LOCAL
HIGH
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:N
redhatCNA
---
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 34%
VendorProductVersion
sambacifs-utils
4.0 ≤
𝑥
< 6.13
redhatenterprise_linux
7.0
redhatenterprise_linux
8.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
cifs-utils
bullseye
2:6.11-3.1+deb11u2
fixed
buster
no-dsa
stretch
no-dsa
bullseye (security)
2:6.11-3.1+deb11u1
fixed
bookworm
2:7.0-2
fixed
sid
2:7.0-2.1
fixed
trixie
2:7.0-2.1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
cifs-utils
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
ignored
groovy
ignored
focal
Fixed 2:6.9-1ubuntu0.2
released
bionic
Fixed 2:6.8-1ubuntu1.2
released
xenial
needed
trusty
needed