What is CVE-2023-34157?

CVE-2023-34157 is a critical-severity vulnerability in Huawei Harmonyos, classified under Authentication Bypass by Spoofing. CVSS score: 10.0/10. Published 2023-06-16.

How severe is CVE-2023-34157?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Vulnerability in Huawei Harmonyos

CVE-2023-34157

Vulnerability of HwWatchHealth being hijacked.Successful exploitation of this vulnerability may cause repeated pop-up windows of the app.

Published 2023-06-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (27.7th percentile), scored 2026-10-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Huawei Harmonyos — versions 2.0.0

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

device.harmonyos.com/en/docs/security/update/security-bulletins-202306-00000015… (Vendor Advisory)

Frequently asked questions

What is CVE-2023-34157?: CVE-2023-34157 is a critical-severity vulnerability in Huawei Harmonyos, classified under Authentication Bypass by Spoofing. CVSS score: 10.0/10. Published 2023-06-16.
How severe is CVE-2023-34157?: Critical severity. CVSS v3 base score is 10.0 out of 10.