CVE-2021-22731

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

Weak Password Recovery Mechanism for Forgotten Password vulnerability exists on Modicon Managed Switch MCSESM* and MCSESP* V8.21 and prior which could cause an unauthorized password change through HTTP / HTTPS when basic user information is known by a remote attacker.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-640

Affected software

No affected versions have been published.

Timeline

Published
May 26, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-22731: Critical severity, CVSS 9.8 | Vulnix