CVE-2022-3976 - CVE House

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Status published Medium CVE-2022-3976

MZ Automation libiec61850 MMS File Services mms_client_files.c path traversal

5.5 CVSS

Vulnerability Description

A vulnerability has been found in MZ Automation libiec61850 up to 1.4 and classified as critical. This vulnerability affects unknown code of the file src/mms/iso_mms/client/mms_client_files.c of the component MMS File Services. The manipulation of the argument filename leads to path traversal. Upgrading to version 1.5 is able to address this issue. The name of the patch is 10622ba36bb3910c151348f1569f039ecdd8786f. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-213556.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from MZ Automation

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MZ Automation libIEC61850 NULL Pointer Dereference

MZ Automation libIEC61850 Stack-Based Buffer Overflow

MZ Automation libIEC61850 Access of Resource Using Incompatible Type ('Type Confusion')

MZ Automation libIEC61850 Stack-Based Buffer Overflow

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

Affected Vendor

MZ Automation

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Affected Software

libiec61850

Vulnerable Versions:

1.0, 1.1, 1.2, 1.3, 1.4

Timeline

Official Publish: November 13th, 2022

Last Modified: April 15th, 2025

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1005 Data from Local System

T1552 Unsecured Credentials

Credential Access

T1565.001 Stored Data Manipulation