What is CVE-2021-1942?

CVE-2021-1942 is a critical-severity vulnerability in Qualcomm Aqt1000, classified under Out-of-bounds Write. CVSS score: 9.3/10. Published 2022-04-01.

How severe is CVE-2021-1942?

Critical severity. CVSS v3 base score is 9.3 out of 10.

Buffer overflow in Qualcomm Aqt1000

CVE-2021-1942

Improper handling of permissions of a shared memory region can lead to memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Vulnerability class: Buffer Overflow

Published 2022-04-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (3.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.9% 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-787 — Out-of-bounds Write

References

www.qualcomm.com/company/product-security/bulletins/march-2022-bulletin (Vendor Advisory)

Frequently asked questions

What is CVE-2021-1942?: CVE-2021-1942 is a critical-severity vulnerability in Qualcomm Aqt1000, classified under Out-of-bounds Write. CVSS score: 9.3/10. Published 2022-04-01.
How severe is CVE-2021-1942?: Critical severity. CVSS v3 base score is 9.3 out of 10.