CVE-2021-22743

LowCVSS 3.9/10Last modified Jun 17, 2026

Description

Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex TCM 4351B installed on Tricon V11.3.x systems that could cause module reset when TCM receives malformed TriStation packets while the write-protect keyswitch is in the program position.

Metrics

CVSS 3.1 3.9/10CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-754

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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