What is CVE-2023-21652?

CVE-2023-21652 is a high-severity vulnerability in Qualcomm Aqt1000, classified under CWE-320. CVSS score: 7.7/10. Published 2023-08-08.

How severe is CVE-2023-21652?

High severity. CVSS v3 base score is 7.7 out of 10.

Vulnerability in Qualcomm Aqt1000

CVE-2023-21652

Cryptographic issue in HLOS as derived keys used to encrypt/decrypt information is present on stack after use.

Published 2023-08-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.001 (0.8th percentile), scored 2026-10-01.

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)

References

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

Frequently asked questions

What is CVE-2023-21652?: CVE-2023-21652 is a high-severity vulnerability in Qualcomm Aqt1000, classified under CWE-320. CVSS score: 7.7/10. Published 2023-08-08.
How severe is CVE-2023-21652?: High severity. CVSS v3 base score is 7.7 out of 10.