MZ Automation libiec61850 MMS File Services mms_client_files.c path traversal
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| MZ Automation | libiec61850 | 1.0; 1.1; 1.2; 1.3; 1.4 | — | No fix listed | CNA |
- libiec61850 VendorMZ Automation Affected 1.0; 1.1; 1.2; 1.3; 1.4 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mz-automation:libiec61850:*:*:*:*:*:*:*:* | before 1.5 | Vulnerable | MZ Automation |
- cpe:2.3:a:mz-automation:libiec61850:*:*:*:*:*:*:*:* Versions before 1.5 Vulnerable ·MZ Automation
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-3976
- 2026-10-03 Alias added: GHSA-r8h4-q53x-8w2p
References
More MZ Automation Libiec61850 vulnerabilities
- TI-2024-18824 In mz-automation libiec61850 v1.4.0, a NULL Pointer Dereference was detected in the… CVSS 3.1HIGH 7.5
- TI-2022-05561 Infinite loop in MZ Automation libiec61850 CVSS 3.1HIGH 7.5
- TI-2024-24382 libiec61850 v1.5 was discovered to contain a heap overflow via the… CVSS 3.1HIGH 7.4
- TI-2018-13431 An issue has been found in libIEC61850 v1.3. CVSS 3.0CRITICAL 9.8
- TI-2022-02745 MZ Automation libIEC61850 Stack-Based Buffer Overflow CVSS 3.1CRITICAL 10.0
- TI-2022-02743 MZ Automation libIEC61850 Stack-Based Buffer Overflow CVSS 3.1CRITICAL 10.0
Sources
- CVE-2022-3976 · CVE Program
- CVE-2022-3976 · NVD
- FIRST EPSS
- GHSA-r8h4-q53x-8w2p · GitHub Advisory Database · CC BY 4.0
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