// For flags

CVE-2021-23892

 

Severity Score

7.0
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

By exploiting a time of check to time of use (TOCTOU) race condition during the Endpoint Security for Linux Threat Prevention and Firewall (ENSL TP/FW) installation process, a local user can perform a privilege escalation attack to obtain administrator privileges for the purpose of executing arbitrary code through insecure use of predictable temporary file locations.

Al explotar una condición de carrera de tiempo de verificación a tiempo de uso (TOCTOU) durante el proceso de instalación de Endpoint Security for Linux Threat Prevention and Firewall (ENSL TP/FW), un usuario local puede llevar a cabo un ataque de escalada de privilegios para alcanzar privilegios de administrador para el propósito de ejecutar código arbitrario a través del uso no seguro de ubicaciones predecibles de archivos temporales

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-12 CVE Reserved
  • 2021-05-12 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-59: Improper Link Resolution Before File Access ('Link Following')
  • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
CAPEC
References (1)
URL Tag Source
https://kc.mcafee.com/corporate/index?page=content&id=SB10355 X_refsource_confirm
URL Date SRC
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Mcafee
Search vendor "Mcafee"
 Endpoint Security For Linux Threat Prevention
Search vendor "Mcafee" for product "Endpoint Security For Linux Threat Prevention"
 >= 10.5.0 < 10.7.5
Search vendor "Mcafee" for product "Endpoint Security For Linux Threat Prevention" and version " >= 10.5.0 < 10.7.5"
linux
Affected