CVE-2022-4326

Trellix xAgent permission bypass vulnerability

Severity Score

6.0

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Improper preservation of permissions vulnerability in Trellix Endpoint Agent (xAgent) prior to V35.31.22 on Windows allows a local user with administrator privileges to bypass the product protection to uninstall the agent via incorrectly applied permissions in the removal protection functionality.

La vulnerabilidad de preservación inadecuada de permisos en Trellix Endpoint Agent (xAgent) anterior a V35.31.22 en Windows permite a un usuario local con privilegios de administrador omitir la protección del producto para desinstalar el agente mediante permisos aplicados incorrectamente en la funcionalidad de protección de eliminación.

*Credits: Matt DePaepe, Matt Espy

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

None

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-12-07 CVE Reserved
2022-12-16 CVE Published
2023-03-08 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-281: Improper Preservation of Permissions

CAPEC

CAPEC-115: Authentication Bypass

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://docs.trellix.com/bundle/xagent_35-31-22_rn/page/UUID-73c848e7-6107-fe11-d83d-b17bd5b1449c.html	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Trellix Search vendor "Trellix"	Endpoint Security Search vendor "Trellix" for product "Endpoint Security"	< 35.31.22 Search vendor "Trellix" for product "Endpoint Security" and version " < 35.31.22"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe