CVE Vulnerability

CVE-2020-7523

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.

4.4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.4 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.1 / Impact : 6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://www.se.com/ww/en/download/document/SEVD-2020-224-01/ Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:schneider-electric:modbus_driver_suite:*:*:*:*:*:*:*:*
cpe:2.3:a:schneider-electric:modbus_serial_driver:*:*:*:*:*:*:x64:*
cpe:2.3:a:schneider-electric:modbus_serial_driver:*:*:*:*:*:*:x86:*
Information

Published : 2020-08-31 05:15

Updated : 2021-06-04 02:16

NVD link : CVE-2020-7523

Mitre link : CVE-2020-7523

Products Affected
No products.
CWE
CWE-269