CVE-2021-26734

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.

CVSS v3 4.4 MEDIUM

4.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021	Release Notes
https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021	Release Notes

Configurations

Configuration 1 (hide)

cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:windows:*:*

History

21 Nov 2024, 05:56

Type	Values Removed	Values Added
References	~~() https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021 - Release Notes~~	() https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021 - Release Notes
CVSS	v2 : ~~unknown~~ v3 : ~~5.5~~	v2 : unknown v3 : 4.4

27 Oct 2023, 00:30

Type	Values Removed	Values Added
CPE		cpe:2.3:a:zscaler:client_connector::::::windows::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.5
CWE		NVD-CWE-noinfo
References	~~(MISC) https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021 -~~	(MISC) https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021 - Release Notes
First Time		Zscaler client Connector Zscaler

23 Oct 2023, 14:27

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-10-23 14:15

Updated : 2024-11-21 05:56

NVD link : CVE-2021-26734

Mitre link : CVE-2021-26734

CVE.ORG link : CVE-2021-26734

JSON object : View

Products Affected

zscaler

client_connector

CWE

CWE-269

Improper Privilege Management

NVD-CWE-noinfo

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