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CVE-2019-20791

OpenThread before 2019-12-13 has a stack-based buffer overflow in MeshCoP::Commissioner:...

9.8 Critical

OpenThread before 2019-12-13 has a stack-based buffer overflow in MeshCoP::Commissioner::GeneratePskc.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.88%Up 0.5 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

OpenThread before 2019-12-13 has a stack-based buffer overflow in MeshCoP::Commissioner::GeneratePskc.

Record
CVE-2019-20791
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-787
Updated
2026-11-02
CVE List No score

OpenThread before 2019-12-13 has a stack-based buffer overflow in MeshCoP::Commissioner::GeneratePskc.

Record
CVE-2019-20791
Updated
2026-11-02
EUVDEUVD-2019-11328 No score

OpenThread before 2019-12-13 has a stack-based buffer overflow in MeshCoP::Commissioner::GeneratePskc.

Record
EUVD-2019-11328
Updated
2026-11-03
GitHub AdvisoriesGHSA-qqjh-hw9j-392p No score

OpenThread before 2019-12-13 has a stack-based buffer overflow in MeshCoP::Commissioner:...

OpenThread before 2019-12-13 has a stack-based buffer overflow in MeshCoP::Commissioner::GeneratePskc.

Record
GHSA-qqjh-hw9j-392p
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-20791 is a critical vulnerability (CVSS 9.8) in Google Openthread, published April 28, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.88%, the 59th percentile. No source names a fixed version.

References

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