7.5
CWE
327
Advisory Published
Updated

CVE-2020-25230

First published: Mon Dec 14 2020(Updated: )

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). Due to the usage of an outdated cipher mode on port 10005/tcp, an attacker could extract the encryption key from a captured communication with the device.

Credit: productcert@siemens.com

Affected SoftwareAffected VersionHow to fix
Siemens Logo\! 8 Bm Firmware<8.3
Siemens Logo\! 8 Bm

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Frequently Asked Questions

  • What is the severity of CVE-2020-25230?

    CVE-2020-25230 has been assigned a medium severity rating due to the risk of key extraction through insecure communication.

  • How do I fix CVE-2020-25230?

    To fix CVE-2020-25230, update the LOGO! 8 BM firmware to version 8.3 or later.

  • What systems are affected by CVE-2020-25230?

    CVE-2020-25230 affects all versions of LOGO! 8 BM firmware prior to version 8.3.

  • What type of attack is possible with CVE-2020-25230?

    An attacker could exploit CVE-2020-25230 to extract the encryption key from captured communications occurring on port 10005/tcp.

  • Is there a workaround for CVE-2020-25230 if I cannot update?

    There are no specific workarounds for CVE-2020-25230; updating to the latest firmware is the recommended solution.

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