Vulnerabilities > CVE-2021-22743 - Improper Check for Unusual or Exceptional Conditions vulnerability in Schneider-Electric products
Attack vector
PHYSICAL Attack complexity
LOW Privileges required
HIGH Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.