Privilege Escalation for ZCC macOS via PATH Variable
CVE-2021-26738

7.8HIGH

Key Information:

Vendor

Zscaler

Status
Client Connector
Vendor
CVE Published:
23 October 2023

What is CVE-2021-26738?

The Zscaler Client Connector for macOS versions prior to 3.7 contains an unquoted search path vulnerability in its handling of the PATH variable. This flaw allows local attackers to potentially execute arbitrary code with elevated privileges, posing significant security risks. Users are advised to update to the latest version to mitigate these vulnerabilities effectively.

Human OS v1.0:
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Deploy the Patch

Affected Version(s)

Client Connector 0 < 3.7

References

https://help.zscaler.com/client-connector/client-connecto...

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Deutsche Bank Red Team
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