What is CVE-2023-34156?

CVE-2023-34156 is a medium-severity vulnerability in Huawei Emui, classified under Session Fixation. CVSS score: 5.3/10. Published 2023-06-19.

How severe is CVE-2023-34156?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Huawei Emui

CVE-2023-34156

Vulnerability of services denied by early fingerprint APIs on HarmonyOS products.Successful exploitation of this vulnerability may cause services to be denied.

Published 2023-06-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.004 (28.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.5% 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 Emui — versions 13.0.0, 12.0.1, 12.0.0
Huawei Harmonyos — versions 3.1.0, 3.0.0, 2.1.0

Weakness classification (CWE)

CWE-384 — Session Fixation

References

consumer.huawei.com/en/support/bulletin/2023/6/ (Vendor Advisory)

Frequently asked questions

What is CVE-2023-34156?: CVE-2023-34156 is a medium-severity vulnerability in Huawei Emui, classified under Session Fixation. CVSS score: 5.3/10. Published 2023-06-19.
How severe is CVE-2023-34156?: Medium severity. CVSS v3 base score is 5.3 out of 10.