Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
Required
Privileges Required
Low
Attack Vector
Local
0

CVE-2021-20208

Disclosure Date: April 19, 2021
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

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.

Add Assessment

No one has assessed this topic. Be the first to add your voice to the community.

CVSS V3 Severity and Metrics
Base Score:
6.1 Medium
Impact Score:
4.7
Exploitability Score:
0.8
Vector:
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:N
Attack Vector (AV):
Local
Attack Complexity (AC):
High
Privileges Required (PR):
Low
User Interaction (UI):
Required
Scope (S):
Changed
Confidentiality (C):
Low
Integrity (I):
High
Availability (A):
None

General Information

Vendors

  • fedoraproject,
  • redhat,
  • samba

Products

  • cifs-utils,
  • enterprise linux 7.0,
  • enterprise linux 8.0,
  • fedora 33,
  • fedora 34,
  • fedora 35
Technical Analysis