What is CVE-2023-33070?

CVE-2023-33070 is a high-severity vulnerability in Qualcomm Apq5053-Aa, classified under Improper Authentication. CVSS score: 7.1/10. Published 2023-12-05.

How severe is CVE-2023-33070?

High severity. CVSS v3 base score is 7.1 out of 10.

Auth bypass in Qualcomm Apq5053-Aa

CVE-2023-33070

Transient DOS in Automotive OS due to improper authentication to the secure IO calls.

Vulnerability class: Broken Authentication

Published 2023-12-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.001 (2.9th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

www.qualcomm.com/company/product-security/bulletins/december-2023-bulletin (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-33070?: CVE-2023-33070 is a high-severity vulnerability in Qualcomm Apq5053-Aa, classified under Improper Authentication. CVSS score: 7.1/10. Published 2023-12-05.
How severe is CVE-2023-33070?: High severity. CVSS v3 base score is 7.1 out of 10.