CVE-2020-7486

Name: CVE-2020-7486
Creator: NVD / NIST
Published: 2020-04-16T19:15:34.823+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.60%

Last modified Jun 17, 2026

CVE-2020-7486 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. **VERSION NOT SUPPORTED WHEN ASSIGNED** A vulnerability could cause TCM modules to reset when under high network load in TCM v10.4.x and in system v10.3.x. This vulnerability was discovered and remediated in version v10.5.x on August 13, 2009. EPSS estimates a 1.60% chance of exploitation in the next 30 days.

Description

**VERSION NOT SUPPORTED WHEN ASSIGNED** A vulnerability could cause TCM modules to reset when under high network load in TCM v10.4.x and in system v10.3.x. This vulnerability was discovered and remediated in version v10.5.x on August 13, 2009. TCMs from v10.5.x and on will no longer exhibit this behavior.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.60%

72.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Schneider-Electric	Tricon Tcm 4351 Firmware	10.3.x
Schneider-Electric	Tricon Tcm 4351 Firmware	10.4.x
Schneider-Electric	Tricon Tcm 4352 Firmware	10.3.x
Schneider-Electric	Tricon Tcm 4352 Firmware	10.4.x
Schneider-Electric	Tricon Tcm 4351a Firmware	10.3.x
Schneider-Electric	Tricon Tcm 4351a Firmware	10.4.x
Schneider-Electric	Tricon Tcm 4351b Firmware	10.3.x
Schneider-Electric	Tricon Tcm 4351b Firmware	10.4.x
Schneider-Electric	Tricon Tcm 4352a Firmware	10.3.x
Schneider-Electric	Tricon Tcm 4352a Firmware	10.4.x
Schneider-Electric	Tricon Tcm 4352b Firmware	10.3.x
Schneider-Electric	Tricon Tcm 4352b Firmware	10.4.x

References

https://us-cert.cisa.gov/ics/advisories/icsa-20-205-01Third Party Advisory, US Government Resource
https://www.se.com/ww/en/download/document/SESB-2020-105-01Vendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-20-205-01Third Party Advisory, US Government Resource
https://www.se.com/ww/en/download/document/SESB-2020-105-01Vendor Advisory

Timeline

Published: Apr 16, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-7486?

How severe is CVE-2020-7486?

CVE-2020-7486 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.60% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7486?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-7486?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST