CVE-2019-6855
7.3 · HIGHOverview
CVE-2019-6855 is a high-severity vulnerability affecting schneider-electric ecostruxure_control_expert. It was published on January 6, 2020 and has a CVSS 3.1 base score of 7.3 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Incorrect Authorization vulnerability exists in EcoStruxure Control Expert (all versions prior to 14.1 Hot Fix), Unity Pro (all versions), Modicon M340 (all versions prior to V3.20) , and Modicon M580 (all versions prior to V3.10), which could cause a bypass of the authentication process between EcoStruxure Control Expert and the M340 and M580 controllers.
Remediation
Check the references section for vendor advisories and patches from schneider-electric. Update ecostruxure_control_expert 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 | ecostruxure_control_expert | >= 0, < 14.1 | Affected |
| schneider-electric | modicon_m580_bmep584040_firmware | >= 0, < 3.10 | Affected |
| schneider-electric | modicon_m580_bmeh584040_firmware | >= 0, < 3.10 | Affected |
| schneider-electric | modicon_m580_bmep586040_firmware | >= 0, < 3.10 | Affected |
| schneider-electric | modicon_m580_bmeh586040_firmware | >= 0, < 3.10 | Affected |
| schneider-electric | modicon_m580_bmep581020_firmware | >= 0, < 3.10 | Affected |
| schneider-electric | modicon_m580_bmep582020_firmware | >= 0, < 3.10 | Affected |
| schneider-electric | modicon_m580_bmep582040_firmware | >= 0, < 3.10 | Affected |
| schneider-electric | modicon_m580_bmep583020_firmware | >= 0, < 3.10 | Affected |
| schneider-electric | modicon_m580_bmep583040_firmware | >= 0, < 3.10 | Affected |
Frequently Asked Questions
What is CVE-2019-6855?
CVE-2019-6855 is a high-severity vulnerability affecting schneider-electric ecostruxure_control_expert. It was published on January 6, 2020 and has a CVSS 3.1 base score of 7.3 (HIGH).
How severe is CVE-2019-6855?
This vulnerability has a CVSS 3.1 base score of 7.3, 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-2019-6855?
Check the references section for vendor advisories and patches from schneider-electric. Update ecostruxure_control_expert 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-2019-6855?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-6855 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.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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