CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NCVE-2020-6988
High (7.5) in rockwellautomation. EPSS 5.4% chance of exploitation in the next 30 days.
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, A remote, unauthenticated attacker can send a request from the RSLogix 500 software to the victim’s MicroLogix controller. The controller will then respond to the client with used password values to authenticate the user on the client-side. This method of authentication may allow an attacker to bypass authentication altogether, disclose sensitive information, or leak credentials.
Severity
- EPSS
- 5.4% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-287, CWE-603
- Published
- Modified
- Record from
- the NVD, synced
Affected
- rockwellautomation:micrologix_1100_firmware
- rockwellautomation:micrologix_1400_a_firmware
- rockwellautomation:micrologix_1400_b_firmware
- rockwellautomation:rslogix_500