CVE Vulnerability

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.

4.9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 6.8 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

6.1 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.8 / Impact : 4.7

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact HIGH

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://bugzilla.samba.org/show_bug.cgi?id=14651 Issue Tracking Patch
https://bugzilla.redhat.com/show_bug.cgi?id=1921116 Issue Tracking Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z4BZSJXROEFHYATAAHHRR6P3HUSMPQB3/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2W4HSDIWXXNQBUW5ZS37RQMLJ7THK5AS/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/66WJ3SVBHCSNQZAWSGLB6FBOCFU45FFG/ Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:samba:cifs-utils:*:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
Information

Published : 2021-04-19 10:15

Updated : 2022-10-21 08:00

NVD link : CVE-2021-20208

Mitre link : CVE-2021-20208

Products Affected
No products.
CWE
CWE-269