CVE-2022-3976

Name: CVE-2022-3976
Creator: NVD / NIST
Published: 2022-11-13T14:15:10.4+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.46%

Last modified Jun 17, 2026

CVE-2022-3976 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.46%

36.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Mz-Automation	Libiec61850	< 1.5

References

https://github.com/mz-automation/libiec61850Third Party Advisory
https://github.com/mz-automation/libiec61850/commit/10622ba36bb3910c151348f1569f039ecdd8786fPatch, Third Party Advisory
https://vuldb.com/?id.213556Third Party Advisory
https://github.com/mz-automation/libiec61850Third Party Advisory
https://github.com/mz-automation/libiec61850/commit/10622ba36bb3910c151348f1569f039ecdd8786fPatch, Third Party Advisory
https://vuldb.com/?id.213556Third Party Advisory

Timeline

Published: Nov 13, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-3976?

How severe is CVE-2022-3976?

CVE-2022-3976 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2022-3976?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-3976?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST