CVE-2021-32926 Information

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 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://us-cert.cisa.gov/ics/advisories/icsa-21-145-02

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5