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[email protected]CVE-2020-7536

HistoryDec 11, 2020 - 1:15 a.m.

CVE-2020-7536

2020-12-1101:15:12

CWE-754

[email protected]

web.nvd.nist.gov

cve-2020-7536

modicon m340

cpu

ethernet modules

vulnerability

nvd

snmp

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

45.8%

JSON

A CWE-754:Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M340 CPUs (BMXP34* versions prior to V3.30) Modicon M340 Communication Ethernet modules (BMXNOE0100 (H) versions prior to V3.4 BMXNOE0110 (H) versions prior to V6.6 BMXNOR0200H all versions), that could cause the device to be unreachable when modifying network parameters over SNMP.

Affected configurations

NVD

Node

schneider-electricmodicon_m340_bmxp341000_firmwareRange<3.30

AND

schneider-electricmodicon_m340_bmxp341000Match-

Node

schneider-electricmodicon_m340_bmxp342000_firmwareRange<3.30

AND

schneider-electricmodicon_m340_bmxp342000Match-

Node

schneider-electricmodicon_m340_bmxp3420102_firmwareRange<3.30

AND

schneider-electricmodicon_m340_bmxp3420102Match-

Node

schneider-electricmodicon_m340_bmxp3420102cl_firmwareRange<3.30

AND

schneider-electricmodicon_m340_bmxp3420102clMatch-

Node

schneider-electricmodicon_m340_bmxp342020_firmwareRange<3.30

AND

schneider-electricmodicon_m340_bmxp342020Match-

Node

schneider-electricmodicon_m340_bmxp3420302_firmwareRange<3.30

AND

schneider-electricmodicon_m340_bmxp3420302Match-

Node

schneider-electricmodicon_m340_bmxp3420302cl_firmwareRange<3.30

AND

schneider-electricmodicon_m340_bmxp3420302clMatch-

Node

schneider-electricbmxnoe0100_firmwareRange<3.4

AND

schneider-electricbmxnoe0100Match-

Node

schneider-electricbmxnoe0110_firmwareRange<6.6

AND

schneider-electricbmxnoe0110Match-

Node

schneider-electricbmxnor0200h_firmware

AND

schneider-electricbmxnor0200hMatch-

CPENameOperatorVersion
schneider-electric:modicon_m340_bmxp341000_firmwareschneider-electric modicon m340 bmxp341000 firmwarelt3.30

CPE	Name	Operator	Version
schneider-electric:modicon_m340_bmxp341000_firmware	schneider-electric modicon m340 bmxp341000 firmware	lt	3.30

CNA Affected

[
  {
    "product": "Modicon M340 CPUs (BMXP34* versions prior to V3.30) and Modicon M340 Communication Ethernet modules (BMXNOE0100 (H) versions prior to V3.4,  BMXNOE0110 (H) versions prior to V6.6, and BMXNOR0200H all versions)",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Modicon M340 CPUs (BMXP34* versions prior to V3.30) and Modicon M340 Communication Ethernet modules (BMXNOE0100 (H) versions prior to V3.4,  BMXNOE0110 (H) versions prior to V6.6, and BMXNOR0200H all versions)"
      }
    ]
  }
]

References

security.cse.iitk.ac.in/responsible-disclosure

www.se.com/ww/en/download/document/SEVD-2020-343-07/

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

45.8%

JSON

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