MZ Automation libIEC61850 Stack-Based Buffer Overflow
Priority MEDIUM 52CWE-121Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
MZ Automation's libIEC61850 (versions 1.4 and prior; version 1.5 prior to commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e) is vulnerable to a stack-based buffer overflow, which could allow an attacker to crash the device or remotely execute arbitrary code.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01564 75th percentileScored 2026-11-07
Fix Fixed libIEC61850 (MZ Automation): Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
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 | All – 1.4; Version 1.5 to before Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e | Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e | Patch available | CNA |
- libIEC61850 VendorMZ Automation Affected All – 1.4; Version 1.5 to before Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e Fixed in Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mz-automation:libiec61850:*:*:*:*:*:*:*:* | before 1.5.0 | Vulnerable | MZ Automation |
- cpe:2.3:a:mz-automation:libiec61850:*:*:*:*:*:*:*:* Versions before 1.5.0 Vulnerable ·MZ Automation
Remediation
- Fix · CNA libIEC61850 (MZ Automation) Fixed in Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
MZ Automation libIEC61850 Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e
4 records Highest priority Priority MEDIUM 4 MEDIUM
Other records, highest priority first
- TI-2022-02743 MZ Automation libIEC61850 Stack-Based Buffer OverflowPriority MEDIUM 52
- TI-2022-02746 MZ Automation libIEC61850 NULL Pointer DereferencePriority MEDIUM 45
- TI-2022-02744 MZ Automation libIEC61850 Access of Resource Using Incompatible Type ('Type Confusion')Priority MEDIUM 45
Timeline
- 2026-10-02 Threatist record created from CVE-2022-2972
- 2026-10-03 Alias added: GHSA-g993-5jgg-hxg6
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-2022-02743 MZ Automation libIEC61850 Stack-Based Buffer Overflow CVSS 3.1CRITICAL 10.0
- TI-2024-30853 Multiple Buffer overflows in the MMS Client in MZ Automation LibIEC61850 before commit… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2022-2972 · CVE Program
- CVE-2022-2972 · NVD
- FIRST EPSS
- GHSA-g993-5jgg-hxg6 · GitHub Advisory Database · CC BY 4.0
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