High severity7.5NVD Advisory· Published Apr 15, 2022· Updated Jun 17, 2026

CVE-2022-21159

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Mz Automation/Libiec618503 versions
cpe:2.3:a:mz-automation:libiec61850:1.5.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:mz-automation:libiec61850:1.5.0:*:*:*:*:*:*:*
- (no CPE)range: =1.5.0
- (no CPE)range: 1.5.0

Patches

Vulnerability mechanics

References

github.com/mz-automation/libiec61850/commit/cfa94cbf10302bedc779703f874ee2e8387a0721nvdPatchThird Party Advisory
talosintelligence.com/vulnerability_reports/TALOS-2022-1467nvdExploitThird Party Advisory
www.talosintelligence.com/vulnerability_reports/TALOS-2022-1467nvdExploitThird Party Advisory

News mentions

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cvss	0.488
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000