CVE-2021-22764 Information

Description

A CWE-287: Improper Authentication vulnerability exists in PowerLogic PM55xx PowerLogic PM8ECC PowerLogic EGX100 and PowerLogic EGX300 (see security notification for version infromation) that could cause loss of connectivity to the device via Modbus TCP protocol when an attacker sends a specially crafted HTTP request.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Reference

http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-02http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-03

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

LOW

Base Severity

5.3