What is CVE-2021-22441?

CVE-2021-22441 is a medium-severity vulnerability in Huawei Harmonyos, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2022-02-25.

How severe is CVE-2021-22441?

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

Integer overflow in Huawei Harmonyos

CVE-2021-22441

Some Huawei products have an integer overflow vulnerability. Successful exploitation of this vulnerability may lead to kernel crash.

Vulnerability class: Integer Overflow

Published 2022-02-25 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.002 (3.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

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

Affected products

Huawei Harmonyos — versions 2.0

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

device.harmonyos.com/en/docs/security/update/security-bulletins-202108-00000011… (Vendor Advisory)

Frequently asked questions

What is CVE-2021-22441?: CVE-2021-22441 is a medium-severity vulnerability in Huawei Harmonyos, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2022-02-25.
How severe is CVE-2021-22441?: Medium severity. CVSS v3 base score is 5.5 out of 10.