What is CVE-2021-22458?

CVE-2021-22458 is a high-severity vulnerability in Huawei Harmonyos, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2021-10-28.

How severe is CVE-2021-22458?

High severity. CVSS v3 base score is 7.8 out of 10.

Out-of-bounds Read in Huawei Harmonyos

CVE-2021-22458

A component of the HarmonyOS has a Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability. Local attackers may exploit this vulnerability to cause arbitrary code execution.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (8.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Huawei Harmonyos — versions 2.0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

psirt@huawei.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-22458?: CVE-2021-22458 is a high-severity vulnerability in Huawei Harmonyos, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2021-10-28.
How severe is CVE-2021-22458?: High severity. CVSS v3 base score is 7.8 out of 10.