CWE
284
Advisory Published
Updated

CVE-2020-7491

First published: Thu Jul 23 2020(Updated: )

**VERSION NOT SUPPORTED WHEN ASSIGNED** A legacy debug port account in TCMs installed in Tricon system versions 10.2.0 through 10.5.3 is visible on the network and could allow inappropriate access. This vulnerability was remediated in TCM version 10.5.4.

Credit: cybersecurity@se.com

Affected SoftwareAffected VersionHow to fix
Schneider-electric Tricon Tcm 4351 Firmware>=10.2.0<10.5.4
Schneider-electric Tricon Tcm 4351
Schneider-electric Tricon Tcm 4352 Firmware>=10.2.0<10.5.4
Schneider-electric Tricon Tcm 4352
Schneider-electric Tricon Tcm 4351a Firmware>=10.2.0<10.5.4
Schneider-electric Tricon Tcm 4351a
Schneider-electric Tricon Tcm 4351b Firmware>=10.2.0<10.5.4
Schneider-electric Tricon Tcm 4351b
Schneider-electric Tricon Tcm 4352a Firmware>=10.2.0<10.5.4
Schneider-electric Tricon Tcm 4352a
Schneider-electric Tricon Tcm 4352b Firmware>=10.2.0<10.5.4
Schneider-electric Tricon Tcm 4352b
Schneider-electric Tristation 1131 Firmware>=1.0.0<=4.9.0
Schneider-electric Tristation 1131 Firmware>=4.10.0<=4.12.0
Schneider-electric Tristation 1131

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2020-7491?

    CVE-2020-7491 is a vulnerability found in Tricon system versions 10.2.0 through 10.5.3.

  • How severe is CVE-2020-7491?

    CVE-2020-7491 has a severity value of 7.5 (High).

  • Which software versions are affected by CVE-2020-7491?

    CVE-2020-7491 affects Tricon system versions 10.2.0 through 10.5.3.

  • How can I fix CVE-2020-7491?

    CVE-2020-7491 can be fixed by updating to TCM version 10.5.4.

  • Where can I find more information about CVE-2020-7491?

    More information about CVE-2020-7491 can be found at the following references: [https://us-cert.cisa.gov/ics/advisories/icsa-20-205-01](https://us-cert.cisa.gov/ics/advisories/icsa-20-205-01) and [https://www.se.com/ww/en/download/document/SESB-2020-105-01/](https://www.se.com/ww/en/download/document/SESB-2020-105-01/).

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