1. Home
  2. CVE Database
  3. CVE-2021-32926
HIGH · 7.5

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 i...

Vulnerability Description

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

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
RockwellautomationMicro800 FirmwareAll versions
RockwellautomationMicro800-
RockwellautomationMicrologix 1400 Firmware>= 21.0
RockwellautomationMicrologix 1400-

Related Weaknesses (CWE)

CWE-300

References

FAQ

What is CVE-2021-32926?

CVE-2021-32926 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 i...

How severe is CVE-2021-32926?

CVE-2021-32926 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-32926?

Check the references section above for vendor advisories and patch information. Affected products include: Rockwellautomation Micro800 Firmware, Rockwellautomation Micro800, Rockwellautomation Micrologix 1400 Firmware, Rockwellautomation Micrologix 1400.