Vulnerability Monitor

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CVE-2020-6988

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.

Published

2020-03-16T16:15:14.767

Last Modified

2024-11-21T05:36:26.567

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-603
  • Type: Primary
    CWE-287
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System rockwellautomation micrologix_1400_a_firmware * Yes
Operating System rockwellautomation micrologix_1400_b_firmware ≤ 21.001 Yes
Hardware rockwellautomation micrologix_1400 - No
Operating System rockwellautomation micrologix_1100_firmware * Yes
Hardware rockwellautomation micrologix_1100 - No
Application rockwellautomation rslogix_500 ≤ 12.001 Yes
References