Vulnerability Details CVE-2021-22779
Authentication Bypass by Spoofing vulnerability exists in EcoStruxure Control Expert (all versions prior to V15.0 SP1, including all versions of Unity Pro), EcoStruxure Control Expert V15.0 SP1, EcoStruxure Process Expert (all versions, including all versions of EcoStruxure Hybrid DCS), SCADAPack RemoteConnect for x70 (all versions), Modicon M580 CPU (all versions - part numbers BMEP* and BMEH*), Modicon M340 CPU (all versions - part numbers BMXP34*), that could cause unauthorized access in read and write mode to the controller by spoofing the Modbus communication between the engineering software and the controller.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 30.3%
CVSS Severity
CVSS v3 Score 9.1
CVSS v2 Score 6.4
Products affected by CVE-2021-22779
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cpe:2.3:a:schneider-electric:ecostruxure_control_expert:-
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cpe:2.3:a:schneider-electric:ecostruxure_control_expert:14.0
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cpe:2.3:a:schneider-electric:ecostruxure_control_expert:14.1
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cpe:2.3:a:schneider-electric:ecostruxure_control_expert:15.0
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cpe:2.3:a:schneider-electric:ecostruxure_process_expert:-
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cpe:2.3:a:schneider-electric:ecostruxure_process_expert:2020
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cpe:2.3:a:schneider-electric:ecostruxure_process_expert:2021
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cpe:2.3:a:schneider-electric:ecostruxure_process_expert:2023
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cpe:2.3:a:schneider-electric:remoteconnect:*
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cpe:2.3:h:schneider-electric:modicon_m340_bmxp341000:-
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cpe:2.3:h:schneider-electric:modicon_m340_bmxp342010:-
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cpe:2.3:h:schneider-electric:modicon_m340_bmxp342020:-
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cpe:2.3:h:schneider-electric:modicon_m340_bmxp342030:-
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cpe:2.3:h:schneider-electric:modicon_m580_bmeh582040:-
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cpe:2.3:h:schneider-electric:modicon_m580_bmeh582040c:-
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cpe:2.3:h:schneider-electric:modicon_m580_bmeh582040s:-
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cpe:2.3:h:schneider-electric:modicon_m580_bmeh584040:-
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cpe:2.3:h:schneider-electric:modicon_m580_bmeh584040c:-
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cpe:2.3:h:schneider-electric:modicon_m580_bmeh584040s:-
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cpe:2.3:h:schneider-electric:modicon_m580_bmeh586040:-
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cpe:2.3:h:schneider-electric:modicon_m580_bmeh586040c:-
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cpe:2.3:h:schneider-electric:modicon_m580_bmeh586040s:-
-
cpe:2.3:h:schneider-electric:modicon_m580_bmep581020:-
-
cpe:2.3:h:schneider-electric:modicon_m580_bmep581020h:-
-
cpe:2.3:h:schneider-electric:modicon_m580_bmep582020:-
-
cpe:2.3:h:schneider-electric:modicon_m580_bmep582020h:-
-
cpe:2.3:h:schneider-electric:modicon_m580_bmep582040:-
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cpe:2.3:h:schneider-electric:modicon_m580_bmep582040h:-
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cpe:2.3:h:schneider-electric:modicon_m580_bmep582040s:-
-
cpe:2.3:h:schneider-electric:modicon_m580_bmep583020:-
-
cpe:2.3:h:schneider-electric:modicon_m580_bmep583040:-
-
cpe:2.3:h:schneider-electric:modicon_m580_bmep584020:-
-
cpe:2.3:h:schneider-electric:modicon_m580_bmep584040:-
-
cpe:2.3:h:schneider-electric:modicon_m580_bmep584040s:-
-
cpe:2.3:h:schneider-electric:modicon_m580_bmep585040:-
-
cpe:2.3:h:schneider-electric:modicon_m580_bmep585040c:-
-
cpe:2.3:h:schneider-electric:modicon_m580_bmep586040:-
-
cpe:2.3:h:schneider-electric:modicon_m580_bmep586040c:-
-
cpe:2.3:o:schneider-electric:modicon_m340_bmxp341000_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m340_bmxp341000_firmware:2.8
-
cpe:2.3:o:schneider-electric:modicon_m340_bmxp341000_firmware:3.20
-
cpe:2.3:o:schneider-electric:modicon_m340_bmxp341000_firmware:3.30
-
cpe:2.3:o:schneider-electric:modicon_m340_bmxp341000_firmware:3.40
-
cpe:2.3:o:schneider-electric:modicon_m340_bmxp341000_firmware:3.50
-
cpe:2.3:o:schneider-electric:modicon_m340_bmxp341000_firmware:3.60
-
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342010_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342010_firmware:3.40
-
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342010_firmware:3.50
-
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342010_firmware:3.60
-
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342020_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342020_firmware:2.8
-
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342020_firmware:3.30
-
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342020_firmware:3.40
-
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342020_firmware:3.50
-
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342020_firmware:3.60
-
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342030_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342030_firmware:2.8
-
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342030_firmware:3.40
-
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342030_firmware:3.50
-
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342030_firmware:3.60
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cpe:2.3:o:schneider-electric:modicon_m580_bmeh582040_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmeh582040_firmware:3.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmeh582040_firmware:4.02
-
cpe:2.3:o:schneider-electric:modicon_m580_bmeh582040_firmware:4.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmeh582040c_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmeh582040c_firmware:3.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmeh582040c_firmware:4.02
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cpe:2.3:o:schneider-electric:modicon_m580_bmeh582040c_firmware:4.20
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cpe:2.3:o:schneider-electric:modicon_m580_bmeh582040s_firmware:-
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cpe:2.3:o:schneider-electric:modicon_m580_bmeh582040s_firmware:3.20
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cpe:2.3:o:schneider-electric:modicon_m580_bmeh582040s_firmware:4.02
-
cpe:2.3:o:schneider-electric:modicon_m580_bmeh582040s_firmware:4.21
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cpe:2.3:o:schneider-electric:modicon_m580_bmeh584040_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmeh584040_firmware:3.20
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cpe:2.3:o:schneider-electric:modicon_m580_bmeh584040_firmware:4.02
-
cpe:2.3:o:schneider-electric:modicon_m580_bmeh584040_firmware:4.20
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cpe:2.3:o:schneider-electric:modicon_m580_bmeh584040c_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmeh584040c_firmware:3.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmeh584040c_firmware:4.02
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cpe:2.3:o:schneider-electric:modicon_m580_bmeh584040c_firmware:4.20
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cpe:2.3:o:schneider-electric:modicon_m580_bmeh584040s_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmeh584040s_firmware:3.20
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cpe:2.3:o:schneider-electric:modicon_m580_bmeh584040s_firmware:4.02
-
cpe:2.3:o:schneider-electric:modicon_m580_bmeh584040s_firmware:4.21
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cpe:2.3:o:schneider-electric:modicon_m580_bmeh586040_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmeh586040_firmware:3.20
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cpe:2.3:o:schneider-electric:modicon_m580_bmeh586040_firmware:4.02
-
cpe:2.3:o:schneider-electric:modicon_m580_bmeh586040_firmware:4.20
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cpe:2.3:o:schneider-electric:modicon_m580_bmeh586040c_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmeh586040c_firmware:3.20
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cpe:2.3:o:schneider-electric:modicon_m580_bmeh586040c_firmware:4.02
-
cpe:2.3:o:schneider-electric:modicon_m580_bmeh586040c_firmware:4.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmeh586040s_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmeh586040s_firmware:3.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmeh586040s_firmware:4.02
-
cpe:2.3:o:schneider-electric:modicon_m580_bmeh586040s_firmware:4.21
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cpe:2.3:o:schneider-electric:modicon_m580_bmep581020_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep581020_firmware:1.0
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep581020_firmware:2.01
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep581020_firmware:2.10
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep581020_firmware:2.13
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep581020_firmware:2.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep581020_firmware:2.50
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep581020_firmware:2.70
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep581020_firmware:2.80
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep581020_firmware:2.90
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep581020_firmware:3.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep581020_firmware:4.02
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep581020_firmware:4.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep581020h_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep581020h_firmware:3.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep581020h_firmware:4.02
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep581020h_firmware:4.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582020_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582020_firmware:1.0
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582020_firmware:2.01
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582020_firmware:2.10
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582020_firmware:2.13
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582020_firmware:2.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582020_firmware:2.50
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582020_firmware:2.70
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582020_firmware:2.80
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582020_firmware:2.90
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582020_firmware:3.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582020_firmware:4.02
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582020_firmware:4.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582020h_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582020h_firmware:3.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582020h_firmware:4.02
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582020h_firmware:4.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040_firmware:1.0
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040_firmware:2.01
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040_firmware:2.10
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040_firmware:2.13
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040_firmware:2.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040_firmware:2.50
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040_firmware:2.70
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040_firmware:2.80
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040_firmware:2.90
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040_firmware:3.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040_firmware:4.02
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040_firmware:4.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040h_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040h_firmware:3.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040h_firmware:4.02
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040h_firmware:4.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040s_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040s_firmware:2.60
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040s_firmware:2.70
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040s_firmware:2.80
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040s_firmware:2.90
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040s_firmware:3.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep582040s_firmware:4.21
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583020_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583020_firmware:1.0
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583020_firmware:2.01
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583020_firmware:2.10
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583020_firmware:2.13
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583020_firmware:2.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583020_firmware:2.50
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583020_firmware:2.70
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583020_firmware:2.80
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583020_firmware:2.90
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583020_firmware:3.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583020_firmware:4.02
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583020_firmware:4.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583040_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583040_firmware:1.0
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583040_firmware:2.01
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583040_firmware:2.10
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583040_firmware:2.13
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583040_firmware:2.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583040_firmware:2.50
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583040_firmware:2.70
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583040_firmware:2.80
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583040_firmware:2.90
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583040_firmware:3.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583040_firmware:4.02
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep583040_firmware:4.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584020_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584020_firmware:1.0
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584020_firmware:2.01
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584020_firmware:2.10
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584020_firmware:2.13
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584020_firmware:2.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584020_firmware:2.50
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584020_firmware:2.70
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584020_firmware:2.80
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584020_firmware:2.90
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584020_firmware:3.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584020_firmware:4.02
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584020_firmware:4.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584040_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584040_firmware:2.10
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584040_firmware:2.13
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584040_firmware:2.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584040_firmware:2.30
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584040_firmware:2.41
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584040_firmware:2.50
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584040_firmware:2.60
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584040_firmware:2.70
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584040_firmware:2.80
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584040_firmware:2.90
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584040_firmware:3.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584040_firmware:4.02
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584040_firmware:4.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584040s_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584040s_firmware:3.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584040s_firmware:4.02
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep584040s_firmware:4.21
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep585040_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep585040_firmware:2.10
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep585040_firmware:2.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep585040_firmware:2.30
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep585040_firmware:2.41
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep585040_firmware:2.50
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep585040_firmware:2.60
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep585040_firmware:2.70
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep585040_firmware:2.80
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep585040_firmware:2.90
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep585040_firmware:3.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep585040_firmware:4.02
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep585040_firmware:4.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep585040c_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep585040c_firmware:3.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep585040c_firmware:4.02
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep585040c_firmware:4.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep586040_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep586040_firmware:2.10
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep586040_firmware:2.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep586040_firmware:2.30
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep586040_firmware:2.41
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep586040_firmware:2.50
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep586040_firmware:2.70
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep586040_firmware:2.80
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep586040_firmware:2.90
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep586040_firmware:3.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep586040_firmware:4.02
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep586040_firmware:4.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep586040c_firmware:-
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep586040c_firmware:3.20
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep586040c_firmware:4.02
-
cpe:2.3:o:schneider-electric:modicon_m580_bmep586040c_firmware:4.20