What is CVE-2021-30279?

CVE-2021-30279 is a high-severity vulnerability in Qualcomm Ar8035, classified under Improper Preservation of Permissions. CVSS score: 7.8/10. Published 2022-01-03.

How severe is CVE-2021-30279?

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

Vulnerability in Qualcomm Ar8035

CVE-2021-30279

Possible access control violation while setting current permission for VMIDs due to improper permission masking in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking

Published 2022-01-03 · 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: 0.001 (2.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.4% 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-281 — Improper Preservation of Permissions

References

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

Frequently asked questions

What is CVE-2021-30279?: CVE-2021-30279 is a high-severity vulnerability in Qualcomm Ar8035, classified under Improper Preservation of Permissions. CVSS score: 7.8/10. Published 2022-01-03.
How severe is CVE-2021-30279?: High severity. CVSS v3 base score is 7.8 out of 10.