What’s Vulnerable › Vulnerabilities

CVE-2020-10642

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-04-13 · updated 2026-06-17
• Weakness: CWE-732

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.

Affected products

• Rockwell Automation RSLinx Classic versions 4.1.00 and prior: through 4.11.00

References

• https://www.us-cert.gov/ics/advisories/icsa-20-100-01
• https://www.us-cert.gov/ics/advisories/icsa-20-100-01

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