// For flags

CVE-2021-43019

Adobe Creative Cloud Incorrect Permission Assignment Privilege Escalation Vulnerability

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Adobe Creative Cloud version 5.5 (and earlier) are affected by a privilege escalation vulnerability in the resources leveraged by the Setup.exe service. An unauthenticated attacker could leverage this vulnerability to remove files and escalate privileges under the context of SYSTEM . An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability on the product installer. User interaction is required before product installation to abuse this vulnerability.

Adobe Creative Cloud versión 5.5(y las anteriores), están afectadas por una vulnerabilidad de escalada de privilegios en los recursos aprovechados por el servicio Setup.exe. Un atacante no autenticado podría aprovechar esta vulnerabilidad para eliminar archivos y escalar privilegios bajo el contexto de SYSTEM . Un atacante debe obtener primero la capacidad de ejecutar código con pocos privilegios en el sistema de destino para poder explotar esta vulnerabilidad en el instalador del producto. Es requerida una interacción del usuario antes de la instalación del producto para abusar de esta vulnerabilidad

This vulnerability allows local attackers to escalate privileges on affected installations of Adobe Creative Cloud. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the product installer. The issue results from incorrect permsissions set on a folder. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

*Credits: Jokubas Arsoba
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
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
  • 2021-10-25 CVE Reserved
  • 2021-11-23 CVE Published
  • 2024-09-16 CVE Updated
  • 2025-01-09 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-732: Incorrect Permission Assignment for Critical Resource
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Adobe
Search vendor "Adobe"
 Creative Cloud Desktop Application
Search vendor "Adobe" for product "Creative Cloud Desktop Application"
 <= 5.5
Search vendor "Adobe" for product "Creative Cloud Desktop Application" and version " <= 5.5"
-
Affected
in Apple
Search vendor "Apple"
 Macos
Search vendor "Apple" for product "Macos"
--
Safe