What is CVE-2023-21642?

CVE-2023-21642 is a high-severity vulnerability in Qualcomm Qam8295p, classified under Improper Access Control. CVSS score: 8.4/10. Published 2023-05-02.

How severe is CVE-2023-21642?

High severity. CVSS v3 base score is 8.4 out of 10.

Vulnerability in Qualcomm Qam8295p

CVE-2023-21642

Memory corruption in HAB Memory management due to broad system privileges via physical address.

Published 2023-05-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (0.8th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.8% 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-284 — Improper Access Control

References

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

Frequently asked questions

What is CVE-2023-21642?: CVE-2023-21642 is a high-severity vulnerability in Qualcomm Qam8295p, classified under Improper Access Control. CVSS score: 8.4/10. Published 2023-05-02.
How severe is CVE-2023-21642?: High severity. CVSS v3 base score is 8.4 out of 10.