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Critical 1 exploited CVE VDE-2021-028 19 CVEs

Pepperl+Fuchs: Multiple VDM100-Distance Ethernet-IP sensors with multiple vulnerabilities

Published Aug 16, 2021 · Updated May 14, 2025 · Revision 2

Vendor: Pepperl+Fuchs Product: VDM100-150-EIP/G2 Product: VDM100-300-EIP/G2 Product: VDM100-50-EIP/G2

Summary

Critical vulnerabilities have been discovered in the utilized component TRECK TCP/IP Stack by Digi International Inc.

For more information see advisory by Digi International Inc.:
Digi International Security Notice - TRECK TCP/IP Stack "RIPPLE20" VU#257161 ICS-VU-035787 | Digi International

Details

Impact
Pepperl+Fuchs analyzed and identified affected devices.

The impact on the affected device is that it can

- no longer perform acyclic requests
- may drop all established cyclic connections may
- disappear completely from the network

Mitigation
An external protective measure is required.

- Minimize network exposure for affected products and ensure that they are not accessible via the Internet.
- Isolate affected products from the corporate network.
- If remote access is required, use secure methods such as virtual private networks (VPNs).

Vulnerabilities 19

  • Medium 5.4
    CVE-2020-11899 Exploited EPSS 18%

    The Treck TCP/IP stack before 6.0.1.66 has an IPv6 Out-of-bounds Read.

    KEV Mar 3, 2022
  • Critical 9.8
    CVE-2020-11910 EPSS 11%

    The Treck TCP/IP stack before 6.0.1.66 has an ICMPv4 Out-of-bounds Read.

  • Critical 9.1
    CVE-2020-11909

    The Treck TCP/IP stack before 6.0.1.66 has an IPv4 Integer Underflow.

  • Unscored —
    CVE-2020-11896 Public exploit EPSS 37%

    The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

  • Unscored —
    CVE-2020-11897

    The Treck TCP/IP stack before 5.0.1.35 has an Out-of-Bounds Write via multiple malformed IPv6 packets.

  • Unscored —
    CVE-2020-11898 Public exploit EPSS 19%

    The Treck TCP/IP stack before 6.0.1.66 improperly handles an IPv4/ICMPv4 Length Parameter Inconsistency, which might al…

  • Unscored —
    CVE-2020-11900 EPSS 13%

    The Treck TCP/IP stack before 6.0.1.41 has an IPv4 tunneling Double Free.

  • Unscored —
    CVE-2020-11901 EPSS 22%

    The Treck TCP/IP stack before 6.0.1.66 allows Remote Code execution via a single invalid DNS response.

  • Unscored —
    CVE-2020-11902

    The Treck TCP/IP stack before 6.0.1.66 has an IPv6OverIPv4 tunneling Out-of-bounds Read.

  • Unscored —
    CVE-2020-11903

    The Treck TCP/IP stack before 6.0.1.28 has a DHCP Out-of-bounds Read.

  • Unscored —
    CVE-2020-11904

    The Treck TCP/IP stack before 6.0.1.66 has an Integer Overflow during Memory Allocation that causes an Out-of-Bounds Wr…

  • Unscored —
    CVE-2020-11905

    The Treck TCP/IP stack before 6.0.1.66 has a DHCPv6 Out-of-bounds Read.

  • Unscored —
    CVE-2020-11906

    The Treck TCP/IP stack before 6.0.1.66 has an Ethernet Link Layer Integer Underflow.

  • Unscored —
    CVE-2020-11907

    The Treck TCP/IP stack before 6.0.1.66 improperly handles a Length Parameter Inconsistency in TCP.

  • Unscored —
    CVE-2020-11908

    The Treck TCP/IP stack before 4.7.1.27 mishandles '\0' termination in DHCP.

  • Unscored —
    CVE-2020-11911

    The Treck TCP/IP stack before 6.0.1.66 has Improper ICMPv4 Access Control.

  • Unscored —
    CVE-2020-11912

    The Treck TCP/IP stack before 6.0.1.66 has a TCP Out-of-bounds Read.

  • Unscored —
    CVE-2020-11913

    The Treck TCP/IP stack before 6.0.1.66 has an IPv6 Out-of-bounds Read.

  • Unscored —
    CVE-2020-11914

    The Treck TCP/IP stack before 6.0.1.66 has an ARP Out-of-bounds Read.

Revision history

  1. #2

    Fix: added distribution

  2. #1

    Initial revision.

References