Vulnerability Monitor

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CVE-2021-22786

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)

Published

2023-02-01T04:15:08.603

Last Modified

2024-11-21T05:50:39.900

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

Weaknesses

Type: Primary
CWE-200

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	schneider-electric	modicon_m340_bmxp341000_firmware	< 3.40	Yes
Hardware	schneider-electric	modicon_m340_bmxp341000	-	No
Operating System	schneider-electric	modicon_m340_bmxp342000_firmware	< 3.40	Yes
Hardware	schneider-electric	modicon_m340_bmxp342000	-	No
Operating System	schneider-electric	modicon_m340_bmxp342010_firmware	< 3.40	Yes
Hardware	schneider-electric	modicon_m340_bmxp342010	-	No
Operating System	schneider-electric	modicon_m340_bmxp3420102_firmware	< 3.40	Yes
Hardware	schneider-electric	modicon_m340_bmxp3420102	-	No
Operating System	schneider-electric	modicon_m340_bmxp342020_firmware	< 3.40	Yes
Hardware	schneider-electric	modicon_m340_bmxp342020	-	No
Operating System	schneider-electric	modicon_m340_bmxp342020h_firmware	< 3.40	Yes
Hardware	schneider-electric	modicon_m340_bmxp342020h	-	No
Operating System	schneider-electric	modicon_m340_bmxp342030_firmware	< 3.40	Yes
Hardware	schneider-electric	modicon_m340_bmxp342030	-	No
Operating System	schneider-electric	modicon_m340_bmxp3420302_firmware	< 3.40	Yes
Hardware	schneider-electric	modicon_m340_bmxp3420302	-	No
Operating System	schneider-electric	modicon_m340_bmxp3420302h_firmware	< 3.40	Yes
Hardware	schneider-electric	modicon_m340_bmxp3420302h	-	No
Operating System	schneider-electric	modicon_m340_bmxp342030h_firmware	< 3.40	Yes
Hardware	schneider-electric	modicon_m340_bmxp342030h	-	No
Operating System	schneider-electric	modicon_m580_bmeh582040_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmeh582040	-	No
Operating System	schneider-electric	modicon_m580_bmeh582040c_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmeh582040c	-	No
Operating System	schneider-electric	modicon_m580_bmeh582040s_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmeh582040s	-	No
Operating System	schneider-electric	modicon_m580_bmeh584040_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmeh584040	-	No
Operating System	schneider-electric	modicon_m580_bmeh584040c_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmeh584040c	-	No
Operating System	schneider-electric	modicon_m580_bmeh584040s_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmeh584040s	-	No
Operating System	schneider-electric	modicon_m580_bmeh586040_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmeh586040	-	No
Operating System	schneider-electric	modicon_m580_bmeh586040c_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmeh586040c	-	No
Operating System	schneider-electric	modicon_m580_bmeh586040s_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmeh586040s	-	No
Operating System	schneider-electric	modicon_m580_bmep581020_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmep581020	-	No
Operating System	schneider-electric	modicon_m580_bmep581020h_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmep581020h	-	No
Operating System	schneider-electric	modicon_m580_bmep582020_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmep582020	-	No
Operating System	schneider-electric	modicon_m580_bmep582020h_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmep582020h	-	No
Operating System	schneider-electric	modicon_m580_bmep582040_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmep582040	-	No
Operating System	schneider-electric	modicon_m580_bmep582040h_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmep582040h	-	No
Operating System	schneider-electric	modicon_m580_bmep582040s_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmep582040s	-	No
Operating System	schneider-electric	modicon_m580_bmep583020_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmep583020	-	No
Operating System	schneider-electric	modicon_m580_bmep583040_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmep583040	-	No
Operating System	schneider-electric	modicon_m580_bmep584020_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmep584020	-	No
Operating System	schneider-electric	modicon_m580_bmep584040_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmep584040	-	No
Operating System	schneider-electric	modicon_m580_bmep584040s_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmep584040s	-	No
Operating System	schneider-electric	modicon_m580_bmep585040_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmep585040	-	No
Operating System	schneider-electric	modicon_m580_bmep585040c_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmep585040c	-	No
Operating System	schneider-electric	modicon_m580_bmep586040_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmep586040	-	No
Operating System	schneider-electric	modicon_m580_bmep586040c_firmware	≤ 3.20	Yes
Hardware	schneider-electric	modicon_m580_bmep586040c	-	No
Operating System	schneider-electric	modicon_momentum_171cbu78090_firmware	< 2.4	Yes
Hardware	schneider-electric	modicon_momentum_171cbu78090	-	No
Operating System	schneider-electric	modicon_momentum_171cbu98090_firmware	< 2.4	Yes
Hardware	schneider-electric	modicon_momentum_171cbu98090	-	No
Operating System	schneider-electric	modicon_momentum_171cbu98091_firmware	< 2.4	Yes
Hardware	schneider-electric	modicon_momentum_171cbu98091	-	No
Operating System	schneider-electric	modicon_mc80_bmkc8020301_firmware	< 1.70	Yes
Hardware	schneider-electric	modicon_mc80_bmkc8020301	-	No
Operating System	schneider-electric	modicon_mc80_bmkc8020310_firmware	< 1.70	Yes
Hardware	schneider-electric	modicon_mc80_bmkc8020310	-	No
Operating System	schneider-electric	modicon_mc80_bmkc8030311_firmware	< 1.70	Yes
Hardware	schneider-electric	modicon_mc80_bmkc8030311	-	No

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-221-04&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2022-221-04-Modicon_Controllers_Ethernet_Modules_Security_Notification.pdf Patch, Vendor Advisory ([email protected])
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-221-04&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2022-221-04-Modicon_Controllers_Ethernet_Modules_Security_Notification.pdf Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)