High severity · published Nov 13, 2022
CVE-2022-3976
A vulnerability has been found in MZ Automation libiec61850 up to 1.4 and classified as critical
8.8
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libiec61850 · Mz-automation
before 1.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-3976
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-3976
Third Party Advisory
https://github.com/mz-automation/libiec61850
Patch
https://github.com/mz-automation/libiec61850/commit/10622ba36bb3910c151348f1569f039ecdd8786f
Third Party Advisory
https://vuldb.com/?id.213556
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