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    2 vulnerabilities found for ZIA by Zscaler

    CVE-2023-28807 (GCVE-0-2023-28807)

    Vulnerability from nvd – Published: 2024-01-31 19:16 – Updated: 2025-06-17 21:29
    VLAI
    Title
    Bypass of ZIA domain fronting detection module through evasion technique
    Summary
    In Zscaler Internet Access (ZIA) a mismatch between Connect Host and Client Hello's Server Name Indication (SNI) enables attackers to evade network security controls by hiding their communications within legitimate traffic.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-295 - Improper Certificate Validation
    Assigner
    Impacted products
    Vendor Product Version
    Zscaler ZIA Affected: 0 , < 6.2r.290 (custom)
    Create a notification for this product.
    Date Public
    2024-02-01 02:00
    Credits
    Citi Red Team
    Show details on NVD website

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    CVE-2023-28807 (GCVE-0-2023-28807)

    Vulnerability from cvelistv5 – Published: 2024-01-31 19:16 – Updated: 2025-06-17 21:29
    VLAI
    Title
    Bypass of ZIA domain fronting detection module through evasion technique
    Summary
    In Zscaler Internet Access (ZIA) a mismatch between Connect Host and Client Hello's Server Name Indication (SNI) enables attackers to evade network security controls by hiding their communications within legitimate traffic.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-295 - Improper Certificate Validation
    Assigner
    Impacted products
    Vendor Product Version
    Zscaler ZIA Affected: 0 , < 6.2r.290 (custom)
    Create a notification for this product.
    Date Public
    2024-02-01 02:00
    Credits
    Citi Red Team
    Show details on NVD website

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