CVE-2020-7523
7.8 · HIGHOverview
CVE-2020-7523 is a high-severity vulnerability affecting schneider-electric modbus_driver_suite. It was published on August 31, 2020 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
Improper Privilege Management vulnerability exists in Schneider Electric Modbus Serial Driver (see security notification for versions) which could cause local privilege escalation when the Modbus Serial Driver service is invoked. The driver does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
Remediation
Check the references section for vendor advisories and patches from schneider-electric. Update modbus_driver_suite 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 | modbus_driver_suite | >= 0, < 14.15.0.0 | Affected |
| schneider-electric | modbus_serial_driver | >= 0, < 2.20_ie_30 | Affected |
Frequently Asked Questions
What is CVE-2020-7523?
CVE-2020-7523 is a high-severity vulnerability affecting schneider-electric modbus_driver_suite. It was published on August 31, 2020 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2020-7523?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2020-7523?
Check the references section for vendor advisories and patches from schneider-electric. Update modbus_driver_suite 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-2020-7523?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-7523 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.
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