CVE-2021-26737 - Vulnerability Details - OpenCVE

Description

The Zscaler Client Connector for macOS prior to 3.6 did not sufficiently validate RPC clients. A local adversary without sufficient privileges may be able to shutdown the Zscaler tunnel by exploiting a race condition.

Published: 2023-10-23

Score: 5.5 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:*:*:*:*:*:macos:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-13524	The Zscaler Client Connector for macOS prior to 3.6 did not sufficiently validate RPC clients. A local adversary without sufficient privileges may be able to shutdown the Zscaler tunnel by exploiting a race condition.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00019.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=macOS&applicable_version=3.6&deployment_date=2022-01-07&id=1388686

History

No history.

Subscriptions

Zscaler Client Connector

MITRE

Status: PUBLISHED

Assigner: Zscaler

Published: 2023-10-23T13:22:51.537Z

Updated: 2024-09-11T14:32:14.147Z

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

Link: CVE-2021-26737

Vulnrichment

Updated: 2024-08-03T20:33:40.693Z

NVD

Status : Modified

Published: 2023-10-23T14:15:09.127

Modified: 2024-11-21T05:56:46.830

Link: CVE-2021-26737

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-346

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