CVE Vulnerabilities

CVE-2020-7523

Improper Privilege Management

Published: Aug 31, 2020 | Modified: Jun 04, 2021
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS 2.x
4.4 MEDIUM
AV:L/AC:M/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu

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

The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Affected Software

Name Vendor Start Version End Version
Modbus_driver_suite Schneider-electric * 14.15.0.0 (excluding)
Modbus_serial_driver Schneider-electric * 2.20_ie_30 (excluding)
Modbus_serial_driver Schneider-electric * 3.20_ie_30 (excluding)

Potential Mitigations

References