VULNERABILITY INTELLIGENCE

CVE-2020-7523

CVSS score7.8 HIGH
EPSS probability0.19%
CISA KEVNot currently listed
Published2020-08-31
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

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.

Weakness classification

  • cybersecurity@se.com: CWE-269

Primary references