Vulnerability Details : CVE-2020-7537
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum & Modicon Premium (see security notifications for affected versions), that could cause denial of service when a specially crafted Read Physical Memory request over Modbus is sent to the controller.
Vulnerability category: Denial of service
Products affected by CVE-2020-7537
- cpe:2.3:o:schneider-electric:bmxp341000_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:bmxp342000_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:bmxp3420102_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:bmxp3420102cl_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:bmxp342020_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:bmxp3420302_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:bmxp3420302cl_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:tsxp574634_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:tsxp575634_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:tsxp576634_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_m580_bmep581020_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_m580_bmep582020_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_m580_bmep582040_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_m580_bmep583020_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_m580_bmep583040_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_m580_bmep584020_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_m580_bmep584040_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_m580_bmep585040_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_m580_bmep586040_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-7537
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-7537
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-7537
-
The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.Assigned by: cybersecurity@se.com (Primary)
References for CVE-2020-7537
-
https://www.se.com/ww/en/download/document/SEVD-2020-343-08/
Security Notification - Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum & Modicon Premium | Schneider ElectricVendor Advisory
Jump to