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2021-05-2620:15:00

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High

0.0005 Low

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17.1%

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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.

CPENameOperatorVersion
tcm_4351b_firmwarege11.3.0
tcm_4351b_firmwarelt11.5.1
tcm_4351b_firmwareeq11.7.0
triconex_model_3009_mp_firmwarege11.3.0
triconex_model_3009_mp_firmwarelt11.8.0

Name	Operator	Version
tcm_4351b_firmware	ge	11.3.0
tcm_4351b_firmware	lt	11.5.1
tcm_4351b_firmware	eq	11.7.0
triconex_model_3009_mp_firmware	ge	11.3.0
triconex_model_3009_mp_firmware	lt	11.8.0

References

download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-03