CVE-2020-10642

Name: CVE-2020-10642
Creator: NVD / NIST
Published: 2020-04-13T19:15:11+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.43%

Last modified Jun 17, 2026

CVE-2020-10642 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In Rockwell Automation RSLinx Classic versions 4.11.00 and prior, an authenticated local attacker could modify a registry key, which could lead to the execution of malicious code using system privileges when opening RSLinx Classic.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

Description

In Rockwell Automation RSLinx Classic versions 4.11.00 and prior, an authenticated local attacker could modify a registry key, which could lead to the execution of malicious code using system privileges when opening RSLinx Classic.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.43%

34.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Rockwellautomation	Rslinx Classic	<= 4.11.00

References

https://www.us-cert.gov/ics/advisories/icsa-20-100-01Third Party Advisory, US Government Resource
https://www.us-cert.gov/ics/advisories/icsa-20-100-01Third Party Advisory, US Government Resource

Timeline

Published: Apr 13, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-10642?

How severe is CVE-2020-10642?

CVE-2020-10642 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2020-10642?

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-2020-10642?

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

Scan your code now

Source: NVD / NIST