CVE-2020-6990
9.8 · CRITICALOverview
CVE-2020-6990 is a critical-severity vulnerability affecting rockwellautomation micrologix_1400_a_firmware. It was published on March 16, 2020 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Software v12.001 and prior, The cryptographic key utilized to help protect the account password is hard coded into the RSLogix 500 binary file. An attacker could identify cryptographic keys and use it for further cryptographic attacks that could ultimately lead to a remote attacker gaining unauthorized access to the controller.
Remediation
Check the references section for vendor advisories and patches from rockwellautomation. Update micrologix_1400_a_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| rockwellautomation | micrologix_1400_b_firmware | 0 | Affected |
| rockwellautomation | rslogix_500 | 0 | Affected |
Frequently Asked Questions
What is CVE-2020-6990?
CVE-2020-6990 is a critical-severity vulnerability affecting rockwellautomation micrologix_1400_a_firmware. It was published on March 16, 2020 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2020-6990?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2020-6990?
Check the references section for vendor advisories and patches from rockwellautomation. Update micrologix_1400_a_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2020-6990?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-6990 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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