What is CVE-2020-3648?

CVE-2020-3648 is a high-severity vulnerability in Qualcomm Msm8909w, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2020-09-08.

How severe is CVE-2020-3648?

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

Is CVE-2020-3648 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Qualcomm Msm8909w

CVE-2020-3648

u'Possible out of bound write in DSP driver code due to lack of check of data received from user' in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in MSM8909W

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2020-09-08 · 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 (7.9th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.9% 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)

Public proof-of-concept exploits

404notf0und/CVE-Flow

References

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

Frequently asked questions

What is CVE-2020-3648?: CVE-2020-3648 is a high-severity vulnerability in Qualcomm Msm8909w, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2020-09-08.
How severe is CVE-2020-3648?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-3648 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.