CVE-2020-7536
7.5 · HIGHOverview
CVE-2020-7536 is a high-severity vulnerability affecting schneider-electric modicon_m340_bmxp341000_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 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.
Remediation
Check the references section for vendor advisories and patches from schneider-electric. Update modicon_m340_bmxp341000_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_m340_bmxp341000_firmware | >= 0, < 3.30 | Affected |
| schneider-electric | modicon_m340_bmxp342000_firmware | >= 0, < 3.30 | Affected |
| schneider-electric | modicon_m340_bmxp3420102_firmware | >= 0, < 3.30 | Affected |
| schneider-electric | modicon_m340_bmxp3420102cl_firmware | >= 0, < 3.30 | Affected |
| schneider-electric | modicon_m340_bmxp342020_firmware | >= 0, < 3.30 | Affected |
| schneider-electric | modicon_m340_bmxp3420302_firmware | >= 0, < 3.30 | Affected |
| schneider-electric | modicon_m340_bmxp3420302cl_firmware | >= 0, < 3.30 | Affected |
| schneider-electric | bmxnoe0100_firmware | >= 0, < 3.4 | Affected |
| schneider-electric | bmxnoe0110_firmware | >= 0, < 6.6 | Affected |
Frequently Asked Questions
What is CVE-2020-7536?
CVE-2020-7536 is a high-severity vulnerability affecting schneider-electric modicon_m340_bmxp341000_firmware. It was published on December 11, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2020-7536?
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-2020-7536?
Check the references section for vendor advisories and patches from schneider-electric. Update modicon_m340_bmxp341000_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-2020-7536?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-7536 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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