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    CVE-2020-15786

    A vulnerability has been identified in SIMATIC HMI Basic Panels 2nd Generation (incl. SIPLUS variants) (All versions < V16), SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions <= V16), SIMATIC HMI Mobile Panels (All versions <= V16), SIMATIC HMI Unified Comfort Panels (All versions <= V16). Affected devices insufficiently block excessive authentication attempts. This could allow a remote attacker to discover user passwords and obtain access to the Sm@rt Server via a brute-force attack.

    Published:Sep 9, 2020
    Last Modified:Jun 2, 2026
    EPS:Sep 9, 2020
    EPSS Score:0.00422
    CVSS Score:9.8

    Affected Products

    Vendor
    Siemens
    Product
    Simatic Hmi Basic Panels 2nd Generation
    Vendor
    Siemens
    Product
    Simatic Hmi Basic Panels 2nd Generation Firmware
    Vendor
    Siemens
    Product
    Simatic Hmi Comfort Panels
    Vendor
    Siemens
    Product
    Simatic Hmi Comfort Panels Firmware
    Vendor
    Siemens
    Product
    Simatic Hmi Mobile Panels
    Vendor
    Siemens
    Product
    Simatic Hmi Mobile Panels Firmware
    Vendor
    Siemens
    Product
    Simatic Hmi United Comfort Panels
    Vendor
    Siemens
    Product
    Simatic Hmi United Comfort Panels Firmware

    Exploits

    No exploit reference

    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