What is CVE-2020-3665?

CVE-2020-3665 is a high-severity vulnerability in Qualcomm Apq8009, classified under Improper Validation of Array Index. CVSS score: 7.8/10. Published 2020-06-22.

How severe is CVE-2020-3665?

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

Vulnerability in Qualcomm Apq8009

CVE-2020-3665

A possible buffer overflow would occur while processing command from firmware due to the group_id obtained from the firmware being out of range in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in APQ8009, APQ8053, APQ8096AU, MDM9206, MDM9207C, MDM9607, MDM9615, MDM9640, MDM9650, MSM8909W, MSM8996, MSM8996AU, QCA6174A, QCA9377, QCA9379, SDM439, SDM636, SDM660, SDX20, SDX24, SM8150

Published 2020-06-22 · 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: 0.002 (11.3th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.3% 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-129 — Improper Validation of Array Index

References

www.qualcomm.com/company/product-security/bulletins/june-2020-bulletin (Broken Link)
www.qualcomm.com/company/product-security/bulletins/june-2020-security-bulletin (Vendor Advisory)

Frequently asked questions

What is CVE-2020-3665?: CVE-2020-3665 is a high-severity vulnerability in Qualcomm Apq8009, classified under Improper Validation of Array Index. CVSS score: 7.8/10. Published 2020-06-22.
How severe is CVE-2020-3665?: High severity. CVSS v3 base score is 7.8 out of 10.