CVE-2020-7536

CVSS V2 High 7.8 CVSS V3 High 7.5
Description
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.
Overview
  • CVE ID
  • CVE-2020-7536
  • Assigner
  • cybersecurity@se.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-12-11T01:15:12
  • Last Modified Date
  • 2020-12-14T20:42:27
Weakness Enumerations
CWE URL
CWE-754 http://cwe.mitre.org/data/definitions/754.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:schneider-electric:bmxp341000_firmware:*:*:*:*:*:*:*:* 1 OR 3.30
cpe:2.3:h:schneider-electric:bmxp341000:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:schneider-electric:bmxp342000_firmware:*:*:*:*:*:*:*:* 1 OR 3.30
cpe:2.3:h:schneider-electric:bmxp342000:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:schneider-electric:bmxp3420102_firmware:*:*:*:*:*:*:*:* 1 OR 3.30
cpe:2.3:h:schneider-electric:bmxp3420102:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:schneider-electric:bmxp3420102cl_firmware:*:*:*:*:*:*:*:* 1 OR 3.30
cpe:2.3:h:schneider-electric:bmxp3420102cl:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:schneider-electric:bmxp342020_firmware:*:*:*:*:*:*:*:* 1 OR 3.30
cpe:2.3:h:schneider-electric:bmxp342020:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:schneider-electric:bmxp3420302_firmware:*:*:*:*:*:*:*:* 1 OR 3.30
cpe:2.3:h:schneider-electric:bmxp3420302:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:schneider-electric:bmxp3420302cl_firmware:*:*:*:*:*:*:*:* 1 OR 3.30
cpe:2.3:h:schneider-electric:bmxp3420302cl:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:schneider-electric:bmxnoe0100_firmware:*:*:*:*:*:*:*:* 1 OR 3.4
cpe:2.3:h:schneider-electric:bmxnoe0100:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:schneider-electric:bmxnoe0110_firmware:*:*:*:*:*:*:*:* 1 OR 6.6
cpe:2.3:h:schneider-electric:bmxnoe0110:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:schneider-electric:bmxnor0200h_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:schneider-electric:bmxnor0200h:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 7.8
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://www.se.com/ww/en/download/document/SEVD-2020-343-07/ Vendor Advisory
https://security.cse.iitk.ac.in/responsible-disclosure Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-7536
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7536
History
Created Old Value New Value Data Type Notes
2022-05-10 07:30:27 Added to TrackCVE
2022-12-05 18:00:17 cybersecurity@schneider-electric.com cybersecurity@se.com CVE Assigner updated
2022-12-05 18:00:17 2020-12-11T01:15Z 2020-12-11T01:15:12 CVE Published Date updated
2022-12-05 18:00:17 2020-12-14T20:42:27 CVE Modified Date updated
2022-12-05 18:00:17 Analyzed Vulnerability Status updated