What is CVE-2021-40000?

CVE-2021-40000 is a high-severity vulnerability in Huawei Harmonyos, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2022-01-10.

How severe is CVE-2021-40000?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Huawei Harmonyos

CVE-2021-40000

The Bluetooth module has an out-of-bounds write vulnerability. Successful exploitation of this vulnerability may result in malicious command execution at the remote end.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (31.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Huawei Harmonyos — versions 2.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

psirt@huawei.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-40000?: CVE-2021-40000 is a high-severity vulnerability in Huawei Harmonyos, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2022-01-10.
How severe is CVE-2021-40000?: High severity. CVSS v3 base score is 8.8 out of 10.