VULNERABILITY INTELLIGENCE
CVE-2021-26737
CVSS score5.5 MEDIUM
EPSS probability0.11%
CISA KEVNot currently listed
Published2023-10-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Description
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.
Weakness classification
- cve@zscaler.com: CWE-346
- nvd@nist.gov: CWE-346
Primary references
- cve@zscaler.com — Release Notes
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes