CVE-2021-26734 MEDIUM

CVE-2021-26734: Junction Delete leading to elevation of privilege

Vendor Zscaler
Product Client Connector
Weakness CWE-269
Published October 23, 2023
Last update September 17, 2024

CVSS base score

4.4/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction Required
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 23, 2023 CVE published
September 17, 2024 Record updated