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Status published
Low
CVE-2021-22743
Improper Check for Unusual or Exceptional Conditions vulnerability exists in...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Affected Software
Triconex TCM 4351B installed on Tricon V11.3.x systems.
Vulnerable Versions:
Triconex TCM 4351B installed on Tricon V11.3.x systems
Timeline
Official Publish:
May 26th, 2021
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H