Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
Low
Attack Vector
Local
0

CVE-2021-23239

Disclosure Date: January 12, 2021
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

The sudoedit personality of Sudo before 1.9.5 may allow a local unprivileged user to perform arbitrary directory-existence tests by winning a sudo_edit.c race condition in replacing a user-controlled directory by a symlink to an arbitrary path.

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CVSS V3 Severity and Metrics
Base Score:
2.5 Low
Impact Score:
1.4
Exploitability Score:
1
Vector:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector (AV):
Local
Attack Complexity (AC):
High
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
Low
Integrity (I):
None
Availability (A):
None

General Information

Vendors

  • debian,
  • fedoraproject,
  • netapp,
  • sudo project

Products

  • cloud backup -,
  • debian linux 10.0,
  • fedora 32,
  • fedora 33,
  • hci management node -,
  • solidfire -,
  • sudo
Technical Analysis