CVE-2021-32926

State: Published
Severity: 5.9 Medium
Published: Jun 3, 2021
Updated: Jun 4, 2026
Reserved: May 13, 2021

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

Scores

CVSS	Score	Vector	Source
3.1	5.9 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-300 CHANNEL ACCESSIBLE BY NON-ENDPOINT CWE-300

Affected Products

Product	Versions
Micro800, MicroLogix 1400n/a	Micro800: All versions, MicroLogix 1400: Version 21 and later when Enhanced Password Security enabled.Affected

References

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

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