What is CVE-2019-20791?

CVE-2019-20791 is a critical-severity vulnerability in Google Openthread, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-04-28.

How severe is CVE-2019-20791?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Google Openthread

CVE-2019-20791

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

Vulnerability class: Buffer Overflow

EPSS: 0.009 (55.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Openthread
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Exploit, Mailing List, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-20791?: CVE-2019-20791 is a critical-severity vulnerability in Google Openthread, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-04-28.
How severe is CVE-2019-20791?: Critical severity. CVSS v3 base score is 9.8 out of 10.