CVE-2021-32926
When an authenticated password change request takes place, this vulnerability could allow the attacker to intercept the message that includes the legitimate, new password hash and replace it with an illegitimate hash. The user would no longer be able to authenticate to the controller (Micro800: All versions, MicroLogix 1400: Version 21 and later) causing a denial-of-service condition
Published:Jun 3, 2021
Last Modified:Jun 4, 2026
EPS:Jun 3, 2021
EPSS Score:0.00129
CVSS Score:5.9
Affected Products
Vendor
Product
Action
Vendor
Rockwellautomation
Product
Micro800
Rockwellautomation
Micro800
Vendor
Rockwellautomation
Product
Micro800 Firmware
Rockwellautomation
Micro800 Firmware
Vendor
Rockwellautomation
Product
Micrologix 1400
Rockwellautomation
Micrologix 1400
Vendor
Rockwellautomation
Product
Micrologix 1400 Firmware
Rockwellautomation
Micrologix 1400 Firmware
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
