Out-of-bounds Read in Huawei Harmonyos

CVE-2021-22484

Some Huawei wearables have a vulnerability of not verifying the actual data size when reading data. Successful exploitation of this vulnerability may cause a server out of memory (OOM).

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (18.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 18.9% 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-2021-22484: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-22484?
CVE-2021-22484 is a high-severity vulnerability in Huawei Harmonyos, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2024-12-28.
How severe is CVE-2021-22484?
High severity. CVSS v3 base score is 7.5 out of 10.