Vulnerability Details : CVE-2020-7549
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions), that could cause denial of HTTP and FTP services when a series of specially crafted requests is sent to the controller over HTTP.
Products affected by CVE-2020-7549
- cpe:2.3:o:schneider-electric:140cpu65150_firmware:*:*:*:*:*:*:*:*
- 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:bmxnoc0401_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:bmxnoe0100_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:bmxnoe0110_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:140noe77111_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:tsxety4103_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:tsxety5103_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:140noc78000_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:140noc78100_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-7549
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 39 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-7549
| 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 | |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2020-7549
-
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-2020-7549
-
https://www.se.com/ww/en/download/document/SEVD-2020-343-06/
Security Notification - Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules | Schneider ElectricVendor Advisory
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