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Status published
High
CVE-2020-7523
Improper Privilege Management vulnerability exists in Schneider Electric Modbus Serial...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Affected Software
Schneider Electric Modbus Serial Driver (64 bits) versions prior to V3.20 IE 30, Schneider Electric Modbus Serial Driver (32 bits) versions prior to V2.20 IE 30, and Schneider Electric Modbus Driver Suite versions prior to V14.15.0.0
Vulnerable Versions:
Schneider Electric Modbus Serial Driver (64 bits) versions prior to V3.20 IE 30, Schneider Electric Modbus Serial Driver (32 bits) versions prior to V2.20 IE 30, and Schneider Electric Modbus Driver Suite versions prior to V14.15.0.1
Timeline
Official Publish:
August 31st, 2020
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H