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    CVE-2023-28806

    An Improper Validation of signature in Zscaler Client Connector on Windows allows an authenticated user to disable anti-tampering. This issue affects Client Connector on Windows <4.2.0.190.

    Published:Aug 6, 2024
    Last Modified:Aug 7, 2024
    EPS:Aug 6, 2024
    EPSS Score:0.00022
    CVSS Score:5.7

    Affected Products

    Vendor
    Zscaler
    Product
    Client Connector

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-463 Padding Oracle Crypto Attack
    CAPEC-475 Signature Spoofing by Improper Validation

    Related CVEs

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    CVE-2026-59565 (CVSS 8.8) — A remotely exploitable buffer overflow bug can cause a local and kernel denial-of-service attack on affected v…
    CVE-2026-59564 (CVSS 9.1) — An authentication bypass issue exists in communications between affected versions of the Zscaler Client Connec…
    CVE-2026-22569 (CVSS 5.4) — An incorrect startup configuration of affected versions of Zscaler Client Connector on Windows may cause a lim…
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    CVE-2024-31127 (CVSS 7.3) — An improper verification of a loaded library in Zscaler Client Connector on Mac < 4.2.0.241 may allow a local …
    CVE-2024-23483 (CVSS 7) — An Improper Input Validation vulnerability in Zscaler Client Connector on MacOS allows OS Command Injection. T…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High