CVE-2024-31127

MacOS Zscaler Client Connector Local Privilege Escalation

Severity Score

7.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track*

*SSVC

Descriptions

An improper verification of a loaded library in Zscaler Client Connector on Mac < 4.2.0.241 may allow a local attacker to elevate their privileges.

*Credits: Max Keasley

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

Low

Attack Vector

Local

Attack Complexity

Low

Authentication

Single

Confidentiality

Complete

Integrity

Complete

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:Track*

Exploitation

None

Automatable

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2024-03-28 CVE Reserved
2025-06-04 CVE Published
2025-06-04 CVE Updated
2025-07-06 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-346: Origin Validation Error

CAPEC

CAPEC-159: Redirect Access to Libraries

References (1)

URL	Tag	Source
https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2023?applicable_category=macOS&applicable_version=4.2&deployment_date=2023-12-14

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
Zscaler Search vendor "Zscaler"		Client Connector Search vendor "Zscaler" for product "Client Connector"				< 4.2.0.241 Search vendor "Zscaler" for product "Client Connector" and version " < 4.2.0.241"		en		Affected