// For flags

CVE-2021-42056

 

Severity Score

6.7
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Thales Safenet Authentication Client (SAC) for Linux and Windows through 10.7.7 creates insecure temporary hid and lock files allowing a local attacker, through a symlink attack, to overwrite arbitrary files, and potentially achieve arbitrary command execution with high privileges.

Thales Safenet Authentication Client (SAC) para Linux y Windows versiones hasta 10.7.7, crea archivos temporales de ocultación y bloqueo no seguros que permiten a un atacante local, mediante un ataque de enlace simbólico, sobrescribir archivos arbitrarios, y potencialmente lograr una ejecución de comandos arbitrarios con altos privilegios

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-10-07 CVE Reserved
  • 2022-06-24 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-04 CVE Updated
  • 2024-08-04 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-59: Improper Link Resolution Before File Access ('Link Following')
CAPEC
References (1)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Thalesgroup
Search vendor "Thalesgroup"
Safenet Authentication Client
Search vendor "Thalesgroup" for product "Safenet Authentication Client"
<= 10.7.7
Search vendor "Thalesgroup" for product "Safenet Authentication Client" and version " <= 10.7.7"
-
Affected
in Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
--
Safe
Thalesgroup
Search vendor "Thalesgroup"
Safenet Authentication Client
Search vendor "Thalesgroup" for product "Safenet Authentication Client"
<= 10.7.7
Search vendor "Thalesgroup" for product "Safenet Authentication Client" and version " <= 10.7.7"
-
Affected
in Microsoft
Search vendor "Microsoft"
Windows
Search vendor "Microsoft" for product "Windows"
--
Safe