CVE-2022-21159

HIGH

libiec61850 1.5.0 - Denial of Service via Malformed IEC61850 Messages

Title source: llm

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.

References (3)

Core 3

Core References

Exploit, Third Party Advisory x_refsource_misc

https://talosintelligence.com/vulnerability_reports/TALOS-2022-1467

Patch, Third Party Advisory x_refsource_confirm

https://github.com/mz-automation/libiec61850/commit/cfa94cbf10302bedc779703f874ee2e8387a0721

Exploit, Third Party Advisory x_refsource_misc

https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1467

Scores

CVSS v3 7.5

EPSS 0.0175

EPSS Percentile 74.8%

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