CVE-2020-7483

Name: CVE-2020-7483
Creator: NVD / NIST
Published: 2020-04-16T19:15:34.667+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.87%

Last modified Jun 17, 2026

CVE-2020-7483 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. **VERSION NOT SUPPORTED WHEN ASSIGNED** A vulnerability could cause certain data to be visible on the network when the 'password' feature is enabled. This vulnerability was discovered in and remediated in versions v4.9.1 and v4.10.1 on May 30, 2013. EPSS estimates a 0.87% chance of exploitation in the next 30 days.

Description

**VERSION NOT SUPPORTED WHEN ASSIGNED** A vulnerability could cause certain data to be visible on the network when the 'password' feature is enabled. This vulnerability was discovered in and remediated in versions v4.9.1 and v4.10.1 on May 30, 2013. The 'password' feature is an additional optional check performed by TS1131 that it is connected to a specific controller. This data is sent as clear text and is visible on the network. This feature is not present in TriStation 1131 versions v4.9.1 and v4.10.1 through current. Therefore, the vulnerability is not present in these versions.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.87%

54.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-319

Affected Software

Vendor	Product	Versions
Schneider-Electric	Tristation 1131	>= 1.0, <= 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-2020-7483?

How severe is CVE-2020-7483?

CVE-2020-7483 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.87% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7483?

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-2020-7483?

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

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Source: NVD / NIST