CVE-2020-7485

Name: CVE-2020-7485
Creator: NVD / NIST
Published: 2020-04-16T19:15:34.777+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.81%

Last modified Jun 17, 2026

CVE-2020-7485 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. **VERSION NOT SUPPORTED WHEN ASSIGNED** A legacy support account in the TriStation software version v4.9.0 and earlier could cause improper access to the TriStation host machine. This was addressed in TriStation version v4.9.1 and v4.10.1 released on May 30, 2013.1. EPSS estimates a 1.81% chance of exploitation in the next 30 days.

Description

**VERSION NOT SUPPORTED WHEN ASSIGNED** A legacy support account in the TriStation software version v4.9.0 and earlier could cause improper access to the TriStation host machine. This was addressed in TriStation version v4.9.1 and v4.10.1 released on May 30, 2013.1

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.81%

75.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Schneider-Electric	Tristation 1131	>= 1.0.0, <= 4.9.0
Schneider-Electric	Tristation 1131	4.10.0
Schneider-Electric	Tristation 1131	4.12.0

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-2020-7485?

How severe is CVE-2020-7485?

CVE-2020-7485 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.81% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7485?

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-2020-7485?

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

Scan your code now

Source: NVD / NIST