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Vulnerability record · CVE-2020-10642 · published 13 April 2020

CVE-2020-10642: Rockwellautomation rslinx classic incorrect permission assignment vulnerability

Rockwellautomation · Rslinx Classic

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.

7.8 CVSS 3.1 High EPSS 0.45% · top 63.8% CWE-732 · Incorrect permission assignment
7.8CVSS 3.1 base score, v2 7.2
0.45%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.us-cert.gov/ics/advisories/icsa-20-100-01 Third Party AdvisoryUS Government Resource
https://www.us-cert.gov/ics/advisories/icsa-20-100-01 Third Party AdvisoryUS Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-10642), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.