CVE-2019-6820
8.2 · HIGHOverview
CVE-2019-6820 is a high-severity vulnerability affecting schneider-electric modicon_m100_firmware. It was published on May 22, 2019 and has a CVSS 3.1 base score of 8.2 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A CWE-306: Missing Authentication for Critical Function vulnerability exists which could cause a modification of device IP configuration (IP address, network mask and gateway IP address) when a specific Ethernet frame is received in all versions of: Modicon M100, Modicon M200, Modicon M221, ATV IMC drive controller, Modicon M241, Modicon M251, Modicon M258, Modicon LMC058, Modicon LMC078, PacDrive Eco ,PacDrive Pro, PacDrive Pro2
Remediation
Check the references section for vendor advisories and patches from schneider-electric. Update modicon_m100_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 |
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Frequently Asked Questions
What is CVE-2019-6820?
CVE-2019-6820 is a high-severity vulnerability affecting schneider-electric modicon_m100_firmware. It was published on May 22, 2019 and has a CVSS 3.1 base score of 8.2 (HIGH).
How severe is CVE-2019-6820?
This vulnerability has a CVSS 3.1 base score of 8.2, 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-2019-6820?
Check the references section for vendor advisories and patches from schneider-electric. Update modicon_m100_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-2019-6820?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-6820 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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