What is CVE-2021-1923?

CVE-2021-1923 is a high-severity vulnerability in Qualcomm Aqt1000, classified under Incorrect Type Conversion or Cast. CVSS score: 7.8/10. Published 2021-09-08.

How severe is CVE-2021-1923?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Qualcomm Aqt1000

CVE-2021-1923

Incorrect pointer argument passed to trusted application TA could result in un-intended memory operations in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT

Published 2021-09-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (3.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-704 — Incorrect Type Conversion or Cast

References

www.qualcomm.com/company/product-security/bulletins/august-2021-bulletin (Vendor Advisory)

Frequently asked questions

What is CVE-2021-1923?: CVE-2021-1923 is a high-severity vulnerability in Qualcomm Aqt1000, classified under Incorrect Type Conversion or Cast. CVSS score: 7.8/10. Published 2021-09-08.
How severe is CVE-2021-1923?: High severity. CVSS v3 base score is 7.8 out of 10.