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CVE-2020-6984

7.5 HIGH

Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versi...

Published: 2020-03-16 · Last updated: 2026-06-03

Severity and scoring

CVSS
7.5 HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
CWE-327

Affected products

VendorProduct
rockwellautomationmicrologix_1100_firmware, micrologix_1400_a_firmware, micrologix_1400_b_firmware

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 function utilized to protect the password in MicroLogix is discoverable.

Source: NVD

References

Related CVEs

Same vendor

  • CVE-2021-33012 — Rockwell Automation MicroLogix 1100, all versions, allows a remote, unauthenticated attacker sending specially crafted commands to cause ... (8.6 HIGH)
  • CVE-2021-32926 — When an authenticated password change request takes place, this vulnerability could allow the attacker to intercept the message that incl... (7.5 HIGH)
  • CVE-2021-22659 — Rockwell Automation MicroLogix 1400 Version 21.6 and below may allow a remote unauthenticated attacker to send a specially crafted Modbus... (8.6 HIGH)
  • CVE-2020-6990 — Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versi... (9.8 CRITICAL)
  • CVE-2020-6988 — Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versi... (7.5 HIGH)

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