What is CVE-2021-26734?

CVE-2021-26734 is a medium-severity vulnerability in Zscaler Client Connector, classified under Improper Privilege Management. CVSS score: 4.4/10. Published 2023-10-23.

How severe is CVE-2021-26734?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Privilege escalation in Zscaler Client Connector

CVE-2021-26734

Zscaler Client Connector Installer on Windows before version 3.4.0.124 improperly handled directory junctions during uninstallation. A local adversary may be able to delete folders in an elevated context.

Vulnerability class: Privilege Escalation

EPSS: 0.001 (4.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H.

Affected products

Zscaler Client Connector — versions 0
Zscaler Client_connector

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

cve@zscaler.com (Release Notes)

Frequently asked questions

What is CVE-2021-26734?: CVE-2021-26734 is a medium-severity vulnerability in Zscaler Client Connector, classified under Improper Privilege Management. CVSS score: 4.4/10. Published 2023-10-23.
How severe is CVE-2021-26734?: Medium severity. CVSS v3 base score is 4.4 out of 10.