What is CVE-2020-11303?

CVE-2020-11303 is a high-severity vulnerability in Qualcomm Apq8009, classified under Exposure of Resource to Wrong Sphere. CVSS score: 8.6/10. Published 2021-10-20.

How severe is CVE-2020-11303?

High severity. CVSS v3 base score is 8.6 out of 10.

Vulnerability in Qualcomm Apq8009

CVE-2020-11303

Accepting AMSDU frames with mismatched destination and source address can lead to information disclosure in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

Published 2021-10-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-668 — Exposure of Resource to Wrong Sphere

References

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

Frequently asked questions

What is CVE-2020-11303?: CVE-2020-11303 is a high-severity vulnerability in Qualcomm Apq8009, classified under Exposure of Resource to Wrong Sphere. CVSS score: 8.6/10. Published 2021-10-20.
How severe is CVE-2020-11303?: High severity. CVSS v3 base score is 8.6 out of 10.