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    2 vulnerabilities found for Authentication Server by Zscaler

    CVE-2025-54982 (GCVE-0-2025-54982)

    Vulnerability from cvelistv5 – Published: 2025-08-05 05:36 – Updated: 2026-02-26 17:49
    VLAI
    Title
    SAML 2.0 Public Key Validation Issue
    Summary
    An improper verification of cryptographic signature in Zscaler's SAML authentication mechanism on the server-side allowed an authentication abuse.
    Severity
    9.6 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-347 - Improper Verification of Cryptographic Signature
    Assigner
    References
    Impacted products
    Vendor Product Version
    Zscaler Authentication Server Affected: 0 , < 6.2r (custom)
    		Create a notification for this product.
    Credits
    Richard Warren, AmberWolf
    Show details on NVD website
    To clipboard 

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    CVE-2025-54982 (GCVE-0-2025-54982)

    Vulnerability from nvd – Published: 2025-08-05 05:36 – Updated: 2026-02-26 17:49
    VLAI
    Title
    SAML 2.0 Public Key Validation Issue
    Summary
    An improper verification of cryptographic signature in Zscaler's SAML authentication mechanism on the server-side allowed an authentication abuse.
    Severity
    9.6 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-347 - Improper Verification of Cryptographic Signature
    Assigner
    References
    Impacted products
    Vendor Product Version
    Zscaler Authentication Server Affected: 0 , < 6.2r (custom)
    		Create a notification for this product.
    Credits
    Richard Warren, AmberWolf
    Show details on NVD website
    To clipboard 

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