Zscaler Client Connector up to 4.3.0 on Windows link following

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Zscaler Client Connector up to 4.3.0 on Windows and classified as critical. Affected by this issue is some unknown functionality. This manipulation causes link following. This vulnerability is registered as CVE-2023-41969. The attack needs to be launched locally. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in Zscaler Client Connector up to 4.3.0 on Windows. Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a link following vulnerability. The CWE definition for the vulnerability is CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An arbitrary file deletion in ZSATrayManager where it protects the temporary encrypted ZApp issue reporting file from the unprivileged end user access and modification. Fixed version: Win ZApp 4.3.0 and later.

It is possible to read the advisory at help.zscaler.com. This vulnerability is known as CVE-2023-41969 since 09/06/2023. The exploitation appears to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 4.3.0 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔍

CNA Base Score: 7.3
CNA Vector (Zscaler, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Client Connector 4.3.0

Timelineinfo

09/06/2023 🔍
03/26/2024 +202 days 🔍
03/26/2024 +0 days 🔍
10/10/2025 +563 days 🔍

Sourcesinfo

Advisory: help.zscaler.com
Status: Confirmed

CVE: CVE-2023-41969 (🔍)
GCVE (CVE): GCVE-0-2023-41969
GCVE (VulDB): GCVE-100-257995

Entryinfo

Created: 03/26/2024 16:08
Updated: 10/10/2025 18:13
Changes: 03/26/2024 16:08 (63), 05/05/2024 02:54 (1), 10/18/2024 04:57 (2), 10/10/2025 18:13 (11)
Complete: 🔍
Cache ID: 216::103

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