libiec61850 v1.5 was discovered to contain a heap overflow via the…
Priority HIGH 68CWE-122Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.
Summary
libiec61850 v1.5 was discovered to contain a heap overflow via the BerEncoder_encodeLength function at /asn1/ber_encoder.c.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00247 16th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mz-automation:libiec61850:1.5:*:*:*:*:*:*:* | 1.5 | Vulnerable | MZ Automation |
- cpe:2.3:a:mz-automation:libiec61850:1.5:*:*:*:*:*:*:* Versions 1.5 Vulnerable ·MZ Automation
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-36702
- 2026-10-03 Alias added: GHSA-79gc-6j6c-pf3r
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-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
- TI-2024-30853 Multiple Buffer overflows in the MMS Client in MZ Automation LibIEC61850 before commit… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2024-36702 · CVE Program
- CVE-2024-36702 · NVD
- FIRST EPSS
- GHSA-79gc-6j6c-pf3r · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences