CVE-2021-26737 — Origin Validation Error in Client Connector

CWE-346 — Origin Validation Error3 documents3 sources
Severity
4.7MEDIUMNVD
CNA5.5
EPSS
0.0%
top 94.97%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Zscaler Client Connector
Timeline
PublishedOct 23

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.

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.0 | Impact: 3.6

Affected Packages2 packages

▶CVEListV5zscaler/client_connector< 3.6

🔴Vulnerability Details

2
CVEList
Privilege Escalation Using PID Reuse in ZCC macOS↗2023-10-23
▶
GHSA
GHSA-7x29-jh5v-6wwf: The Zscaler Client Connector for macOS prior to 3↗2023-10-23
▶
CVE-2021-26737 — Origin Validation Error | cvebase