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TI-2020-08554 Aliases CVE-2020-10642GHSA-qgxw-xq35-5qcq

Incorrect permission assignment in Rockwell Automation RSLinx Classic versions 4.1.00 and…

Priority LOW 34CWE-732Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.00445 38th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Rockwell Automation RSLinx Classic versions 4.1.00 and priorRockwell Automation RSLinx Classic versions 4.1.00 and prior—No fix listedCNA
  • Rockwell Automation RSLinx Classic versions 4.1.00 and prior Vendor— Affected Rockwell Automation RSLinx Classic versions 4.1.00 and prior Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:rockwellautomation:rslinx_classic:*:*:*:*:*:*:*:*up to 4.11.00VulnerableRockwell
  • cpe:2.3:a:rockwellautomation:rslinx_classic:*:*:*:*:*:*:*:* Versions up to 4.11.00 Vulnerable ·Rockwell

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-10642
  2. 2026-10-03 Alias added: GHSA-qgxw-xq35-5qcq

References

Advisory 1

  • TI-2020-09660 Improper input validation in FactoryTalk Linx, RSLinx Classic, Connected Components… CVSS 3.1CRITICAL 9.8
  • TI-2020-09662 Path traversal in FactoryTalk Linx, RSLinx Classic, Connected Components Workbench… CVSS 3.1HIGH 7.5
  • TI-2020-09658 Improper input validation in FactoryTalk Linx, RSLinx Classic, Connected Components… CVSS 3.1HIGH 8.1
  • TI-2018-07508 An unquoted search path or element in RSLinx Classic Versions 3.90.01 and prior and… CVSS 3.0HIGH 7.8
  • TI-2020-09664 Unrestricted file upload in FactoryTalk Linx, RSLinx Classic, Connected Components… CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences