CVE-2022-21159 HIGH

CVE-2022-21159

Vendor Mz Automation Gmbh
Product libiec61850
Weakness CWE-835
Published April 15, 2022
Last update April 15, 2025

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

A denial of service vulnerability exists in the parseNormalModeParameters functionality of MZ Automation GmbH libiec61850 1.5.0. A specially-crafted series of network requests can lead to denial of service. An attacker can send a sequence of malformed iec61850 messages to trigger this vulnerability.

Key dates

02Disclosure timeline

April 15, 2022 CVE published
April 15, 2025 Record updated