What is CVE-2021-30283?

CVE-2021-30283 is a high-severity vulnerability in Qualcomm Qca6391, classified under Improper Handling of Exceptional Conditions. CVSS score: 7.1/10. Published 2022-01-03.

How severe is CVE-2021-30283?

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

Vulnerability in Qualcomm Qca6391

CVE-2021-30283

Possible denial of service due to improper handling of debug register trap from user applications in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile

Published 2022-01-03 · 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 (2.2th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.2% 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-755 — Improper Handling of Exceptional Conditions

References

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

Frequently asked questions

What is CVE-2021-30283?: CVE-2021-30283 is a high-severity vulnerability in Qualcomm Qca6391, classified under Improper Handling of Exceptional Conditions. CVSS score: 7.1/10. Published 2022-01-03.
How severe is CVE-2021-30283?: High severity. CVSS v3 base score is 7.1 out of 10.