What is CVE-2020-3638?

CVE-2020-3638 is a high-severity vulnerability in Qualcomm Agatti. CVSS score: 7.8/10. Published 2020-11-02.

How severe is CVE-2020-3638?

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

Is CVE-2020-3638 known to be exploited?

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

Vulnerability in Qualcomm Agatti

CVE-2020-3638

u'An Unaligned address or size can propagate to the database due to improper page permissions and can lead to improper access control' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking in Agatti, Bitra, Kamorta, QCA6390, QCS404, QCS610, Rennell, SA515M, SC7180, SC8180X, SDX55, SM6150, SM7150, SM8150, SM8250, SXR2130

Published 2020-11-02 · 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 (10.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.3% 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

Public proof-of-concept exploits

TinyNiko/android_

References

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

Frequently asked questions

What is CVE-2020-3638?: CVE-2020-3638 is a high-severity vulnerability in Qualcomm Agatti. CVSS score: 7.8/10. Published 2020-11-02.
How severe is CVE-2020-3638?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-3638 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.