SARA / Free Tools / CVE / CVE-2022-3976

CVE-2022-3976 — A vulnerability has been found in MZ Automation libiec61850 up to 1

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 p

CVSS
5.5 MEDIUM
EPSS
0.20% (top 57.80%)
CWE
CWE-22
Published
2022-11-13T00:00:00.000Z
Last modified
2025-04-15T13:14:35.393Z
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

01What is this vulnerability?

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…

02Affected products

VendorProductVersions
MZ Automationlibiec618501.0, 1.1, 1.2, 1.3, 1.4

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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