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CVE-2021-22786

Published: 01/02/2023 Updated: 08/02/2023
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 0

Vulnerability Summary

A CWE-200: Information Exposure vulnerability exists that could cause the exposure of sensitive information stored on the memory of the controller when communicating over the Modbus TCP protocol. Affected Products: Modicon M340 CPU (part numbers BMXP34*) (Versions prior to V3.30), Modicon M580 CPU (part numbers BMEP* and BMEH*) (Versions prior to SV3.20), Modicon MC80 (BMKC80) (Versions prior to V1.6), Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S) (All Versions), Modicon Momentum MDI (171CBU*) (Versions prior to V2.3), Legacy Modicon Quantum (All Versions)

Vulnerability Trend

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schneider-electric modicon m340 bmxp341000 firmware

schneider-electric modicon m340 bmxp342000 firmware

schneider-electric modicon m340 bmxp342010 firmware

schneider-electric modicon m340 bmxp3420102 firmware

schneider-electric modicon m340 bmxp342020 firmware

schneider-electric modicon m340 bmxp342020h firmware

schneider-electric modicon m340 bmxp342030 firmware

schneider-electric modicon m340 bmxp3420302 firmware

schneider-electric modicon m340 bmxp3420302h firmware

schneider-electric modicon m340 bmxp342030h firmware

schneider-electric modicon m580 bmeh582040 firmware

schneider-electric modicon m580 bmeh582040c firmware

schneider-electric modicon m580 bmeh582040s firmware

schneider-electric modicon m580 bmeh584040 firmware

schneider-electric modicon m580 bmeh584040c firmware

schneider-electric modicon m580 bmeh584040s firmware

schneider-electric modicon m580 bmeh586040 firmware

schneider-electric modicon m580 bmeh586040c firmware

schneider-electric modicon m580 bmeh586040s firmware

schneider-electric modicon m580 bmep581020 firmware

schneider-electric modicon m580 bmep581020h firmware

schneider-electric modicon m580 bmep582020 firmware

schneider-electric modicon m580 bmep582020h firmware

schneider-electric modicon m580 bmep582040 firmware

schneider-electric modicon m580 bmep582040h firmware

schneider-electric modicon m580 bmep582040s firmware

schneider-electric modicon m580 bmep583020 firmware

schneider-electric modicon m580 bmep583040 firmware

schneider-electric modicon m580 bmep584020 firmware

schneider-electric modicon m580 bmep584040 firmware

schneider-electric modicon m580 bmep584040s firmware

schneider-electric modicon m580 bmep585040 firmware

schneider-electric modicon m580 bmep585040c firmware

schneider-electric modicon m580 bmep586040 firmware

schneider-electric modicon m580 bmep586040c firmware

schneider-electric modicon momentum 171cbu78090 firmware

schneider-electric modicon momentum 171cbu98090 firmware

schneider-electric modicon momentum 171cbu98091 firmware

schneider-electric modicon mc80 bmkc8020301 firmware

schneider-electric modicon mc80 bmkc8020310 firmware

schneider-electric modicon mc80 bmkc8030311 firmware