Vulnerability · Published Oct 23, 2023 · Assigned by Zscaler

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

Medium 4.4

In plain English

A medium-severity privilege mismanagement in Client Connector from Zscaler. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).

Severity (CVSS 3.1)4.4Medium
Exploit odds (30 days)0.2%top 95.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
Zscaler Client Connector 0 – before 3.4.0.124

Weakness: CWE-269 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H

References