Low severity3.9NVD Advisory· Published May 26, 2021· Updated Jun 17, 2026
CVE-2021-22747
CVE-2021-22747
Description
Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex Model 3009 MP 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. This CVE ID is unique from CVE-2021-22742, CVE-2021-22744, CVE-2021-22745, and CVE-2021-22746.
Affected products
5cpe:2.3:o:schneider-electric:tcm_4351b_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:schneider-electric:tcm_4351b_firmware:*:*:*:*:*:*:*:*range: >=11.3.0,<11.5.1
- cpe:2.3:o:schneider-electric:tcm_4351b_firmware:11.7.0:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:triconex_model_3009_mp_firmware:*:*:*:*:*:*:*:*Range: >=11.3.0,<11.8.0
- Triconex/Model 3009 MPdescription
- Range: V11.3.x
Patches
Vulnerability mechanics
References
1- download.schneider-electric.com/filesnvdVendor Advisory
News mentions
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