Malformed Goose Message in LibIEC61850 may result in a denial of service

published 2022-04-12 4y ago modified 2026-06-17 4mo ago also EUVD-2022-24630

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits: 0; none known

In the MZ Automation LibIEC61850 in versions prior to 1.5.1 an unauthenticated attacker can craft a goose message, which may result in a denial of service.

Patch / fix

fixed in 1

MZ Automation libIEC61850 1.5.1

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Exploit prediction

1.10% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

MZ Automation libIEC61850

Classification

Weakness

CWE-20 Improper Input Validation

References

libiec61850.com /new-release-1-5-1-of-libiec61850/
release-notes, vendor-advisory

Sources

CVE List CVE-2022-1302
NVD CVE-2022-1302

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