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CVE-2024-23456

Signature validation issue leads to Anti-Tampering bypass

HIGH
7.5
CVSS Score
Published: August 6, 2024 at 03:21 PM UTC
Updated: June 17, 2026 at 07:12 AM UTC
1 product affected across 1 vendorClient Connector

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Severity
HIGH7.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

Anti-tampering can be disabled under certain conditions without signature validation. This affects Zscaler Client Connector <4.2.0.190 with anti-tampering enabled.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Client Connector· Zscaler
95%
v < 4.2.0.190
Affected range stops below 4.2.0.190, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=windows&applicable_version=4.2.0.190

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-347

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