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[email protected]CVE-2021-22786

HistoryFeb 01, 2023 - 4:15 a.m.

CVE-2021-22786

2023-02-0104:15:08

CWE-200

[email protected]

web.nvd.nist.gov

cve-2021-22786

cwe-200

information exposure

modbus tcp

modicon m340

modicon m580

modicon mc80

vulnerability

nvd

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

7.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

48.9%

JSON

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 BMEP58S and BMEH58S) (All Versions), Modicon Momentum MDI (171CBU*) (Versions prior to V2.3), Legacy Modicon Quantum (All Versions)

Affected configurations

NVD

Node

schneider-electricmodicon_m340_bmxp341000_firmwareRange<3.40

AND

schneider-electricmodicon_m340_bmxp341000Match-

Node

schneider-electricmodicon_m340_bmxp342000_firmwareRange<3.40

AND

schneider-electricmodicon_m340_bmxp342000Match-

Node

schneider-electricmodicon_m340_bmxp342010_firmwareRange<3.40

AND

schneider-electricmodicon_m340_bmxp342010Match-

Node

schneider-electricmodicon_m340_bmxp3420102_firmwareRange<3.40

AND

schneider-electricmodicon_m340_bmxp3420102Match-

Node

schneider-electricmodicon_m340_bmxp342020_firmwareRange<3.40

AND

schneider-electricmodicon_m340_bmxp342020Match-

Node

schneider-electricmodicon_m340_bmxp342020h_firmwareRange<3.40

AND

schneider-electricmodicon_m340_bmxp342020hMatch-

Node

schneider-electricmodicon_m340_bmxp342030_firmwareRange<3.40

AND

schneider-electricmodicon_m340_bmxp342030Match-

Node

schneider-electricmodicon_m340_bmxp3420302_firmwareRange<3.40

AND

schneider-electricmodicon_m340_bmxp3420302Match-

Node

schneider-electricmodicon_m340_bmxp3420302h_firmwareRange<3.40

AND

schneider-electricmodicon_m340_bmxp3420302hMatch-

Node

schneider-electricmodicon_m340_bmxp342030h_firmwareRange<3.40

AND

schneider-electricmodicon_m340_bmxp342030hMatch-

Node

schneider-electricmodicon_m580_bmeh582040_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmeh582040Match-

Node

schneider-electricmodicon_m580_bmeh582040c_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmeh582040cMatch-

Node

schneider-electricmodicon_m580_bmeh582040s_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmeh582040sMatch-

Node

schneider-electricmodicon_m580_bmeh584040_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmeh584040Match-

Node

schneider-electricmodicon_m580_bmeh584040c_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmeh584040cMatch-

Node

schneider-electricmodicon_m580_bmeh584040s_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmeh584040sMatch-

Node

schneider-electricmodicon_m580_bmeh586040_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmeh586040Match-

Node

schneider-electricmodicon_m580_bmeh586040c_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmeh586040cMatch-

Node

schneider-electricmodicon_m580_bmeh586040s_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmeh586040sMatch-

Node

schneider-electricmodicon_m580_bmep581020_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmep581020Match-

Node

schneider-electricmodicon_m580_bmep581020h_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmep581020hMatch-

Node

schneider-electricmodicon_m580_bmep582020_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmep582020Match-

Node

schneider-electricmodicon_m580_bmep582020h_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmep582020hMatch-

Node

schneider-electricmodicon_m580_bmep582040_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmep582040Match-

Node

schneider-electricmodicon_m580_bmep582040h_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmep582040hMatch-

Node

schneider-electricmodicon_m580_bmep582040s_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmep582040sMatch-

Node

schneider-electricmodicon_m580_bmep583020_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmep583020Match-

Node

schneider-electricmodicon_m580_bmep583040_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmep583040Match-

Node

schneider-electricmodicon_m580_bmep584020_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmep584020Match-

Node

schneider-electricmodicon_m580_bmep584040_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmep584040Match-

Node

schneider-electricmodicon_m580_bmep584040s_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmep584040sMatch-

Node

schneider-electricmodicon_m580_bmep585040_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmep585040Match-

Node

schneider-electricmodicon_m580_bmep585040c_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmep585040cMatch-

Node

schneider-electricmodicon_m580_bmep586040_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmep586040Match-

Node

schneider-electricmodicon_m580_bmep586040c_firmwareRange≤3.20

AND

schneider-electricmodicon_m580_bmep586040cMatch-

Node

schneider-electricmodicon_momentum_171cbu78090_firmwareRange<2.4

AND

schneider-electricmodicon_momentum_171cbu78090Match-

Node

schneider-electricmodicon_momentum_171cbu98090_firmwareRange<2.4

AND

schneider-electricmodicon_momentum_171cbu98090Match-

Node

schneider-electricmodicon_momentum_171cbu98091_firmwareRange<2.4

AND

schneider-electricmodicon_momentum_171cbu98091Match-

Node

schneider-electricmodicon_mc80_bmkc8020301_firmwareRange<1.70

AND

schneider-electricmodicon_mc80_bmkc8020301Match-

Node

schneider-electricmodicon_mc80_bmkc8020310_firmwareRange<1.70

AND

schneider-electricmodicon_mc80_bmkc8020310Match-

Node

schneider-electricmodicon_mc80_bmkc8030311_firmwareRange<1.70

AND

schneider-electricmodicon_mc80_bmkc8030311Match-

CPENameOperatorVersion
schneider-electric:modicon_m340_bmxp341000_firmwareschneider-electric modicon m340 bmxp341000 firmwarelt3.40

CPE	Name	Operator	Version
schneider-electric:modicon_m340_bmxp341000_firmware	schneider-electric modicon m340 bmxp341000 firmware	lt	3.40

CNA Affected

[
  {
    "vendor": "Schneider Electric",
    "product": "Modicon M340 CPU (part numbers BMXP34*)",
    "versions": [
      {
        "version": "All",
        "status": "affected",
        "lessThan": "V3.30",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "Schneider Electric",
    "product": "Modicon M580 CPU (part numbers BMEP* and BMEH*)",
    "versions": [
      {
        "version": "All",
        "status": "affected",
        "lessThan": "V3.20",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "Schneider Electric",
    "product": "Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S)",
    "versions": [
      {
        "version": "All Versions",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Schneider Electric",
    "product": "Modicon MC80 (BMKC80)",
    "versions": [
      {
        "version": "All",
        "status": "affected",
        "lessThan": "V1.6",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "Schneider Electric",
    "product": "Modicon Momentum CPU (171CBU*)",
    "versions": [
      {
        "version": "All",
        "status": "affected",
        "lessThan": "V2.3",
        "versionType": "custom"
      }
    ]
  },
  {
    "vendor": "Schneider Electric",
    "product": "Legacy Modicon Quantum",
    "versions": [
      {
        "version": "All Versions",
        "status": "affected"
      }
    ]
  }
]

References

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