CVE-2020-6990
Last modified
CVE-2020-6990 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 4.23% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Rockwellautomation | Micrologix 1400 A Firmware | All versions |
| Rockwellautomation | Micrologix 1400 B Firmware | <= 21.001 |
| Rockwellautomation | Micrologix 1100 Firmware | All versions |
| Rockwellautomation | Rslogix 500 | <= 12.001 |
References
- https://www.us-cert.gov/ics/advisories/icsa-20-070-06Third Party Advisory, US Government Resource
- https://www.us-cert.gov/ics/advisories/icsa-20-070-06Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
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