VULNERABILITY INTELLIGENCE

CVE-2021-22731

CVSS score9.8 CRITICAL
EPSS probability1.40%
CISA KEVNot currently listed
Published2021-05-26
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • cybersecurity@se.com: CWE-640

Primary references