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    CVE-2013-6920

    Siemens SINAMICS S/G controllers with firmware before 4.6.11 do not require authentication for FTP and TELNET sessions, which allows remote attackers to bypass intended access restrictions via TCP traffic to port (1) 21 or (2) 23.

    Published:Dec 7, 2013
    Last Modified:Apr 11, 2025
    EPS:Dec 7, 2013
    EPSS Score:0.01394
    CVSS Score:10

    Affected Products

    Vendor
    Siemens
    Product
    Sinamics G110
    Vendor
    Siemens
    Product
    Sinamics G110d
    Vendor
    Siemens
    Product
    Sinamics G120
    Vendor
    Siemens
    Product
    Sinamics G120c
    Vendor
    Siemens
    Product
    Sinamics G120d
    Vendor
    Siemens
    Product
    Sinamics G120p
    Vendor
    Siemens
    Product
    Sinamics G130
    Vendor
    Siemens
    Product
    Sinamics G150
    Vendor
    Siemens
    Product
    Sinamics G180
    Vendor
    Siemens
    Product
    Sinamics S110
    Vendor
    Siemens
    Product
    Sinamics S120
    Vendor
    Siemens
    Product
    Sinamics S120cm
    Vendor
    Siemens
    Product
    Sinamics S150
    Vendor
    Siemens
    Product
    Sinamics S\/g Family Firmware

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-287 Improper Authentication

    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