CVE-2022-21159

HIGH

Mz-automation Libiec61850 - Infinite Loop

Title source: rule
STIX 2.1

Description

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.

Scores

CVSS v3 7.5
EPSS 0.0045
EPSS Percentile 63.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-835
Status published
Products (1)
mz-automation/libiec61850 1.5.0
Published Apr 15, 2022
Tracked Since Feb 18, 2026