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CVE-2021-20208

Published: Apr 19, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-266
6.1MEDIUM
NVD MITRE
EPSS Score
0.6%
Top 52.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:HPR:LUI:RS:CC:LI:HA:N
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:HIntegrity
High
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-266CWE-269

Affected Products

samba
oss-project·DE
cifs-utilsOn-prem
Operating Systems / linux-distro
redhat
commercial·USaka red hat
enterprise linuxOn-premOS
Operating Systems / linux-distro
fedoraproject
oss-project·USaka fedora project
fedoraOn-premOS
Operating Systems / linux-distro
and 1 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://bugzilla.redhat.com/show_bug.cgi?id=1921116
bugzilla.redhat.com
https://bugzilla.samba.org/show_bug.cgi?id=14651
bugzilla.samba.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2W4HSDIWXXNQBUW5ZS37RQMLJ7THK5AS/
lists.fedoraproject.org
and 2 more references View all →

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