Vulnerability Details CVE-2021-22744
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-2021-22745, CVE-2021-22746, and CVE-2021-22747.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 17.2%
CVSS Severity
CVSS v3 Score 3.9
CVSS v2 Score 2.1
References
Products affected by CVE-2021-22744
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cpe:2.3:h:schneider-electric:tcm_4351b:-
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cpe:2.3:h:schneider-electric:triconex_model_3009_mp:-
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cpe:2.3:o:schneider-electric:tcm_4351b_firmware:11.3.0
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cpe:2.3:o:schneider-electric:tcm_4351b_firmware:11.4.0
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cpe:2.3:o:schneider-electric:tcm_4351b_firmware:11.5.0
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cpe:2.3:o:schneider-electric:tcm_4351b_firmware:11.7.0
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cpe:2.3:o:schneider-electric:triconex_model_3009_mp_firmware:11.3.0
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cpe:2.3:o:schneider-electric:triconex_model_3009_mp_firmware:11.4.0
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cpe:2.3:o:schneider-electric:triconex_model_3009_mp_firmware:11.5.0
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cpe:2.3:o:schneider-electric:triconex_model_3009_mp_firmware:11.7.0