CVE-2020-7542
7.5 · HIGHOverview
CVE-2020-7542 is a high-severity vulnerability affecting schneider-electric modicon_m580_bmep584040_firmware. It was published on December 11, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
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.
Remediation
Check the references section for vendor advisories and patches from schneider-electric. Update modicon_m580_bmep584040_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| schneider-electric | modicon_m580_bmep584040_firmware | >= 0, < 3.20 | Affected |
| schneider-electric | modicon_m580_bmep582040_firmware | >= 0, < 3.20 | Affected |
| schneider-electric | modicon_m580_bmep586040_firmware | >= 0, < 3.20 | Affected |
| schneider-electric | modicon_m580_bmep585040_firmware | >= 0, < 3.20 | Affected |
| schneider-electric | modicon_m580_bmep582020_firmware | >= 0, < 3.20 | Affected |
| schneider-electric | modicon_m580_bmep581020_firmware | >= 0, < 3.20 | Affected |
| schneider-electric | modicon_m580_bmep584020_firmware | >= 0, < 3.20 | Affected |
| schneider-electric | modicon_m580_bmep583040_firmware | >= 0, < 3.20 | Affected |
| schneider-electric | modicon_m580_bmep583020_firmware | >= 0, < 3.20 | Affected |
| schneider-electric | modicon_m340_bmxp341000_firmware | >= 0, < 3.30 | Affected |
Frequently Asked Questions
What is CVE-2020-7542?
CVE-2020-7542 is a high-severity vulnerability affecting schneider-electric modicon_m580_bmep584040_firmware. It was published on December 11, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2020-7542?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2020-7542?
Check the references section for vendor advisories and patches from schneider-electric. Update modicon_m580_bmep584040_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2020-7542?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-7542 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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