CVE-2019-20791
CRITICALCVSS 9.8/10EPSS 0.88%
Last modified
CVE-2019-20791 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. OpenThread before 2019-12-13 has a stack-based buffer overflow in MeshCoP::Commissioner::GeneratePskc.. EPSS estimates a 0.88% chance of exploitation in the next 30 days.
Description
OpenThread before 2019-12-13 has a stack-based buffer overflow in MeshCoP::Commissioner::GeneratePskc.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Openthread | < 2019-12-13 |
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19386Exploit, Mailing List, Third Party Advisory
- https://github.com/openthread/openthread/commit/b8c3161281f8e15873f8decabd8eac461717aefePatch, Third Party Advisory
- https://github.com/openthread/openthread/commit/c3a3a0c424322009fec3ab735fb20ce8f6e19e70Patch, Third Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19386Exploit, Mailing List, Third Party Advisory
- https://github.com/openthread/openthread/commit/b8c3161281f8e15873f8decabd8eac461717aefePatch, Third Party Advisory
- https://github.com/openthread/openthread/commit/c3a3a0c424322009fec3ab735fb20ce8f6e19e70Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-20791?
OpenThread before 2019-12-13 has a stack-based buffer overflow in MeshCoP::Commissioner::GeneratePskc.
How severe is CVE-2019-20791?
CVE-2019-20791 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.88% probability of exploitation in the next 30 days.
How do I fix CVE-2019-20791?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-20791?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST