Path Traversal in Mz Automation Libiec61850

CVE-2022-3976

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.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.005 (38.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-3976?
CVE-2022-3976 is a medium-severity vulnerability in Mz Automation Libiec61850, classified under Path Traversal. CVSS score: 5.5/10. Published 2022-11-13.
How severe is CVE-2022-3976?
Medium severity. CVSS v3 base score is 5.5 out of 10.