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OpenAdvisories
High VDE-2020-047 1 CVE

PHOENIX CONTACT: BTP Touch Panels uncontrolled resource consumption

Published Dec 2, 2020 · Updated May 14, 2025 · Revision 2

Vendor: Phoenix Contact Product: BTP 2043W Product: BTP 2070W Product: BTP 2102W

Summary

Uncontrolled Resource Consumption can be exploited to cause the HMI to become unresponsive and not accurately update the display content (Denial of Service).

Details

Impact
When the HMI is subjected to i.e. a rapid flood of ICMP ping packets, the HMI stops responding to user input and the running program provides no visual changes. Once the attack stops, the HMI will return to normal functionality.

Mitigation
Mitigation Phoenix Contact recommends operating network-capable devices in closed networks orprotected with a suitable firewall. For detailed information on the recommendations for measuresto protect network-capable devices, please refer to the Phoenix Contact application note: Measures to protect network-capable devices with Ethernet connection

Vulnerabilities 1

  • High 7.5
    CVE-2020-12524

    Phoenix Contact BTP Touch Panels uncontrolled resource consumption

    Uncontrolled Resource Consumption can be exploited to cause the Phoenix Contact HMIs BTP 2043W, BTP 2070W and BTP 2102W in all versions to become unresponsive and not accurately update the display content (Denial of Service).

    Phoenix Contact BTP Touch Panel ICS / OT

Revision history

  1. #2

    Fix: removed ia, added distribution

  2. #1

    Initial revision.

References