What is CVE-2021-30300?

CVE-2021-30300 is a high-severity vulnerability in Qualcomm Apq8009w, classified under Incorrect Type Conversion or Cast. CVSS score: 7.5/10. Published 2022-01-13.

How severe is CVE-2021-30300?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Qualcomm Apq8009w

CVE-2021-30300

Possible denial of service due to incorrectly decoding hex data for the SIB2 OTA message and assigning a garbage value to choice when processing the SRS configuration in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wearables

Published 2022-01-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.006 (44.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-704 — Incorrect Type Conversion or Cast

References

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

Frequently asked questions

What is CVE-2021-30300?: CVE-2021-30300 is a high-severity vulnerability in Qualcomm Apq8009w, classified under Incorrect Type Conversion or Cast. CVSS score: 7.5/10. Published 2022-01-13.
How severe is CVE-2021-30300?: High severity. CVSS v3 base score is 7.5 out of 10.