CVE-2026-59570 - Vulnerability Details - OpenCVE

Description

On affected versions of Zscaler client connector, a pre-installed peer app can tear down the Zscaler tunnel, force user logout, and toggle packet capture.

Published: 2026-09-14

Score: 7.5 High

EPSS: n/a

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	< Android: 4.2.0.152
`0`	affected	< ChromeOS: 4.2.0.152

No data.

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

No advisories yet.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Changed

Confidentiality Impact None

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2026

History

Mon, 14 Sep 2026 21:00:00 +0000

Type	Values Removed	Values Added
Description		On affected versions of Zscaler client connector, a pre-installed peer app can tear down the Zscaler tunnel, force user logout, and toggle packet capture.
Title		Android ZCC denial of service
Weaknesses		CWE-20
References		https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2026
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:H'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

No data.

MITRE

Status: PUBLISHED

Assigner: Zscaler

Published: 2026-09-14T14:47:13.914Z

Updated: 2026-09-14T15:32:24.258Z

Reserved: 2026-07-06T06:18:59.633Z

Link: CVE-2026-59570

Vulnrichment

Updated: 2026-09-14T15:32:21.025Z

NVD

Status : Received

Published: 2026-09-14T15:17:06.720

Modified: 2026-09-14T16:17:16.343

Link: CVE-2026-59570

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-20
Improper Input Validation

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