Vulnerability Details : 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 category: Directory traversal
Products affected by CVE-2022-3976
- cpe:2.3:a:mz-automation:libiec61850:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-3976
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 31 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-3976
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.5
|
MEDIUM | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
2.1
|
3.4
|
VulDB | |
8.8
|
HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2022-3976
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by: cna@vuldb.com (Primary)
References for CVE-2022-3976
-
https://github.com/mz-automation/libiec61850
GitHub - mz-automation/libiec61850: Official repository for libIEC61850, the open-source library for the IEC 61850 protocolsThird Party Advisory
-
https://github.com/mz-automation/libiec61850/commit/10622ba36bb3910c151348f1569f039ecdd8786f
- fixed path traversal vulnerability in MMS file services (LIB61850-357) · mz-automation/libiec61850@10622ba · GitHubPatch;Third Party Advisory
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https://vuldb.com/?id.213556
CVE-2022-3976 | MZ Automation libiec61850 MMS File Services mms_client_files.c path traversalThird Party Advisory
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