CVE-2022-2973 | BDVDB-2026-185243 Detail

MZ AutomationlibIEC61850

Description#

MZ Automation's libIEC61850 (versions 1.4 and prior; version 1.5 prior to commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e) uses a NULL pointer in certain situations. which could allow an attacker to crash the server.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

Weaknesses#

CWE-476 NULL Pointer Dereference

References#

https://www.cisa.gov/uscert/ics/advisories/icsa-22-251-01

Exploit#

No public exploit known

History#

Version 12022-09-23Record published in the CVE List.
Version 22025-04-16Most recent update recorded in the CVE List.

Published

Published: 2022-09-23
Last modified: 2025-04-16

Vendor information

Vendor: MZ Automation
Product: libIEC61850

All MZ Automation vulnerabilities

Score

8.6 High

EPSS

1.0%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 65.5.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= All and <= 1.4
Fixed
Not stated
Vulnerable
>= Version 1.5 and < Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e
Fixed
Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.6 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Changed
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).