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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.002 (5.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-22478: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

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.