CVE-2023-41971

Windows ZCC Upgrade DoS And Privilege Escalation Through RPC Control

5.3 Medium

An Improper Link Resolution Before File Access ('Link Following') vulnerability in Zscaler Client Connector on Windows allows a system file to be overwritten.This issue affects Client Connector on Windows: before 3.7.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: High
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: High

Exploit likelihood

0.19%Up 0.1 points since May 3, 2024

What each source reports

CVE List Score used 5.3

Windows ZCC Upgrade DoS And Privilege Escalation Through RPC Control

Record: CVE-2023-41971
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
Weakness: CWE-59
Updated: 2026-11-02

EUVDEUVD-2023-46430 5.3

Record: EUVD-2023-46430
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-h695-7mxq-qwxc 5.3

An Improper Link Resolution Before File Access ('Link Following') vulnerability in Zscaler Client...

Record: GHSA-h695-7mxq-qwxc
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
Weakness: CWE-59
Updated: 2026-11-02

NVD 5.3

Record: CVE-2023-41971
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-59
Updated: 2026-11-02

Affected products

zscaler client connector

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-41971 is a medium vulnerability (CVSS 5.3) in Zscaler Client Connector, published May 2, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 8th percentile. No source names a fixed version.