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Case File

CVE-2021-26737

MEDIUM · CVSS 5.5 EPSS 0.11% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-10-23 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.5. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-26737
Severity
MEDIUM
CVSS
5.5
EPSS
0.11%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)