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    CVE-2025-3449

    A Generation of Predictable Numbers or Identifiers vulnerability in the SDM component of B&R Automation Runtime versions before 6.4 may allow an unauthenticated network-based attacker to take over already established sessions.

    Published:Oct 7, 2025
    Last Modified:Apr 15, 2026
    EPS:Oct 7, 2025
    EPSS Score:0.00028
    CVSS Score:4.2

    Affected Products

    Vendor
    Br-automation
    Product
    Automation Runtime

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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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