CVE-2021-22743

published 2021-05-26

CVE-2021-22743: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex TCM 4351B installed on Tricon V11.3.x systems that could cause module…

low 3.9 CVSS 3.1

AV P AC L PR H UI N S U C N I N A H

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.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
schneider-electric	tcm_4351b_firmware	—	—
schneider-electric	tcm_4351b_firmware	>= 11.3.0 < 11.5.1	11.5.1
schneider-electric	triconex_model_3009_mp_firmware	>= 11.3.0 < 11.8.0	11.8.0

CWE-754