What is CVE-2022-46316?

CVE-2022-46316 is a critical-severity vulnerability in Huawei Harmonyos, classified under Improper Authentication. CVSS score: 9.8/10. Published 2022-12-20.

How severe is CVE-2022-46316?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Huawei Harmonyos

CVE-2022-46316

A thread security vulnerability exists in the authentication process. Successful exploitation of this vulnerability may affect data integrity, confidentiality, and availability.

Vulnerability class: Broken Authentication

Published 2022-12-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (39.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Huawei Harmonyos — versions 2.1, 3.0.0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

device.harmonyos.com/en/docs/security/update/security-bulletins-202212-00000014… (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-46316?: CVE-2022-46316 is a critical-severity vulnerability in Huawei Harmonyos, classified under Improper Authentication. CVSS score: 9.8/10. Published 2022-12-20.
How severe is CVE-2022-46316?: Critical severity. CVSS v3 base score is 9.8 out of 10.