Use After Free in Huawei Harmonyos

CVE-2021-22478

The interface of a certain HarmonyOS module has a UAF vulnerability. Successful exploitation of this vulnerability may lead to information leakage.

Vulnerability class: Use-After-Free

EPSS: 0.002 (6.3th 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:H/I:N/A:N.

Affected products

Huawei Harmonyos — versions 2.0

Weakness classification (CWE)

CWE-416 — Use After Free

References

psirt@huawei.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-22478?: CVE-2021-22478 is a medium-severity vulnerability in Huawei Harmonyos, classified under Use After Free. CVSS score: 5.5/10. Published 2022-02-25.
How severe is CVE-2021-22478?: Medium severity. CVSS v3 base score is 5.5 out of 10.