CVE-2020-7523

HighCVSS 7.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 31, 2020
Last modified
Jun 17, 2026
NVD status
Modified

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