What is CVE-2021-26736?

CVE-2021-26736 is a medium-severity vulnerability in Zscaler Client Connector, classified under Improper Input Validation. CVSS score: 6.7/10. Published 2023-10-23.

How severe is CVE-2021-26736?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Path Traversal in Zscaler Client Connector

CVE-2021-26736

Multiple vulnerabilities in the Zscaler Client Connector Installer and Uninstaller for Windows prior to 3.6 allowed execution of binaries from a low privileged path. A local adversary may be able to execute code with SYSTEM privileges.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.002 (13.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Zscaler Client Connector — versions 0
Zscaler Client_connector

Weakness classification (CWE)

CWE-20 — Improper Input Validation
CWE-22 — Path Traversal

References

cve@zscaler.com (Release Notes)

Frequently asked questions

What is CVE-2021-26736?: CVE-2021-26736 is a medium-severity vulnerability in Zscaler Client Connector, classified under Improper Input Validation. CVSS score: 6.7/10. Published 2023-10-23.
How severe is CVE-2021-26736?: Medium severity. CVSS v3 base score is 6.7 out of 10.