CVE-2021-26736 - Vulnerability Details - OpenCVE

Description

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.

Published: 2023-10-23

Score: 6.7 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Zscaler

Client Connector

unaffected

Version	Status	Constraints
`0`	affected	< 3.6

Configuration 1 [-]

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

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-13523	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.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00033.

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021

History

Tue, 04 Mar 2025 03:45:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Zscaler Client Connector

MITRE

Status: PUBLISHED

Assigner: Zscaler

Published: 2023-10-23T13:21:12.518Z

Updated: 2025-02-27T20:40:09.700Z

Reserved: 2021-02-05T20:34:27.824Z

Link: CVE-2021-26736

Vulnrichment

Updated: 2024-08-03T20:33:40.746Z

NVD

Status : Modified

Published: 2023-10-23T14:15:09.063

Modified: 2024-11-21T05:56:46.730

Link: CVE-2021-26736

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

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