CVE-2021-26737 MEDIUM

CVE-2021-26737: Privilege Escalation Using PID Reuse in ZCC macOS

Vendor Zscaler
Product Client Connector
Weakness CWE-346 · Origin validation
Published October 23, 2023
Last update September 11, 2024
View on NVD All CVEs

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

The Zscaler Client Connector for macOS prior to 3.6 did not sufficiently validate RPC clients. A local adversary without sufficient privileges may be able to shutdown the Zscaler tunnel by exploiting a race condition.

Key dates

02Disclosure timeline

October 23, 2023 CVE published
September 11, 2024 Record updated