CVE-2021-32926

7.5 HIGH
Published: June 03, 2021 Modified: June 04, 2026
View on NVD

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

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-145-02
Source: ics-cert@hq.dhs.gov
Third Party Advisory US Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-145-02
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory US Government Resource

2 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
2.2%
80th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

rockwellautomation