Stack-based buffer overflow in Triangle MicroWorks DNP3 Outstation LibrariesDNP3…
Priority MEDIUM 45CWE-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
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
Triangle MicroWorks DNP3 Outstation LibrariesDNP3 Outstation .NET Protocol components and DNP3 Outstation ANSI C source code libraries are affected:3.16.00 through 3.25.01. A specially crafted message may cause a stack-based buffer overflow. Authentication is not required to exploit this vulnerability.
Why it matters now
EPSS 0.01349 71st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Triangle MicroWorks DNP3 Outstation LibrariesDNP3 Outstation .NET Protocol components and DNP3 Outstation ANSI C source code libraries are affected:3.16.00 through 3.25.01 | Triangle MicroWorks DNP3 Outstation LibrariesDNP3 Outstation .NET Protocol components and DNP3 Outstation ANSI C source code libraries are affected:3.16.00 through 3.25.01 | — | No fix listed | CNA |
- Triangle MicroWorks DNP3 Outstation LibrariesDNP3 Outstation .NET Protocol components and DNP3 Outstation ANSI C source code libraries are affected:3.16.00 through 3.25.01 Vendor— Affected Triangle MicroWorks DNP3 Outstation LibrariesDNP3 Outstation .NET Protocol components and DNP3 Outstation ANSI C source code libraries are affected:3.16.00 through 3.25.01 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:trianglemicroworks:dnp3_source_code_library:*:*:*:*:*:*:*:* | 3.16.00 – 3.25.01 | Vulnerable | Triangle MicroWorks |
- cpe:2.3:a:trianglemicroworks:dnp3_source_code_library:*:*:*:*:*:*:*:* Versions 3.16.00 – 3.25.01 Vulnerable ·Triangle MicroWorks
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-6996
- 2026-10-03 Alias added: GHSA-mx68-p78j-fv2c
References
Sources
- CVE-2020-6996 · CVE Program
- CVE-2020-6996 · NVD
- FIRST EPSS
- GHSA-mx68-p78j-fv2c · GitHub Advisory Database · CC BY 4.0
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