Back to Database
Status published
High
CVE-2021-26738
Privilege Escalation for ZCC macOS via PATH Variable
Vulnerability Description
Zscaler Client Connector for macOS prior to 3.7 had an unquoted search path vulnerability via the PATH variable. A local adversary may be able to execute code with root privileges.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-26738
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Deutsche Bank Red Team
More from Zscaler
View All →CVE-2025-54983
Health check port on ZCC allows tunnel bypass
Medium
5.2
CVE-2025-54982
SAML 2.0 Public Key Validation Issue
Critical
9.6
CVE-2024-31127
MacOS Zscaler Client Connector Local Privilege Escalation
High
7.3
CVE-2024-23483
Local Privilege Escalation via lack of input validation
High
7
CVE-2024-23482
ZScalerService Local Privilege Escalation
High
7
Affected Vendor
Zscaler
View all reports →Affected Software
Client Connector
Vulnerable Versions:
0
Timeline
Official Publish:
October 23rd, 2023
Last Modified:
February 27th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H