What is CVE-2021-22479?

CVE-2021-22479 is a medium-severity vulnerability in Huawei Harmonyos, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2022-02-25.

How severe is CVE-2021-22479?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Huawei Harmonyos

CVE-2021-22479

The interface of a certain HarmonyOS module has an invalid address access vulnerability. Successful exploitation of this vulnerability may lead to kernel crash.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (4.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Huawei Harmonyos — versions 2.0

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

psirt@huawei.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-22479?: CVE-2021-22479 is a medium-severity vulnerability in Huawei Harmonyos, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2022-02-25.
How severe is CVE-2021-22479?: Medium severity. CVSS v3 base score is 5.5 out of 10.