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    CVE-2017-16718

    Beckhoff TwinCAT 3 supports communication over ADS. ADS is a protocol for industrial automation in protected environments. This protocol uses user configured routes, that can be edited remotely via ADS. This special command supports encrypted authentication with username/password. The encryption uses a fixed key, that could be extracted by an attacker. Precondition of the exploitation of this weakness is network access at the moment a route is added.

    Published:Jun 27, 2018
    Last Modified:Nov 21, 2024
    EPS:Jun 27, 2018
    EPSS Score:0.0006
    CVSS Score:5.9

    Affected Products

    Vendor
    Beckhoff
    Product
    Twincat

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-102 Session Sidejacking
    CAPEC-20 Encryption Brute Forcing
    CAPEC-459 Creating a Rogue Certification Authority Certificate
    CAPEC-473 Signature Spoof
    CAPEC-474 Signature Spoofing by Key Theft
    CAPEC-475 Signature Spoofing by Improper Validation
    CAPEC-50 Password Recovery Exploitation
    CAPEC-509 Kerberoasting
    CAPEC-551 Modify Existing Service
    CAPEC-555 Remote Services with Stolen Credentials
    CAPEC-560 Use of Known Domain Credentials
    CAPEC-561 Windows Admin Shares with Stolen Credentials
    CAPEC-600 Credential Stuffing
    CAPEC-608 Cryptanalysis of Cellular Encryption
    CAPEC-614 Rooting SIM Cards
    CAPEC-644 Use of Captured Hashes (Pass The Hash)
    CAPEC-645 Use of Captured Tickets (Pass The Ticket)
    CAPEC-652 Use of Known Kerberos Credentials
    CAPEC-653 Use of Known Operating System Credentials
    CAPEC-97 Cryptanalysis

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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