What is CVE-2021-33889?

CVE-2021-33889 is a medium-severity vulnerability in Openthread Wpantund, classified under Out-of-bounds Write. CVSS score: 6.8/10. Published 2021-07-02.

How severe is CVE-2021-33889?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Buffer overflow in Openthread Wpantund

CVE-2021-33889

OpenThread wpantund through 2021-07-02 has a stack-based Buffer Overflow because of an inconsistency in the integer data type for metric_len.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (25.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Openthread Wpantund
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2021-33889?: CVE-2021-33889 is a medium-severity vulnerability in Openthread Wpantund, classified under Out-of-bounds Write. CVSS score: 6.8/10. Published 2021-07-02.
How severe is CVE-2021-33889?: Medium severity. CVSS v3 base score is 6.8 out of 10.