PT-2024-19878 · Zscaler · Zscaler Client Connector

Published 2024-08-06 · Updated 2024-11-11 · CVE-2024-23456

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Zscaler Client Connector versions prior to 4.2.0.190

Description The issue allows anti-tampering to be disabled under certain conditions without signature validation. It is being actively exploited in the wild, and users should check their network for signs of compromise.

Recommendations For versions prior to 4.2.0.190, update to version 4.2.0.190 or later to resolve the issue. As a temporary workaround, consider restricting access to features that rely on anti-tampering until a patch is applied.

Fix

Improper Verification of Cryptographic Signature

Weakness Enumeration

CWE-347

Related Identifiers

CVE-2024-23456

Affected Products

Zscaler Client Connector

References · 4

• https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=windows&applicable_version=4.2.0.190 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2024-23456 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-23456 · Security Note
• https://twitter.com/KashishResearch/status/1855991264656953686 · Twitter Post