What is CVE-2020-11153?

CVE-2020-11153 is a critical-severity vulnerability in Qualcomm Apq8053, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-11-02.

How severe is CVE-2020-11153?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Qualcomm Apq8053

CVE-2020-11153

u'Out of bound memory access while processing GATT data received due to lack of check of pdu data length and leads to remote code execution' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile in APQ8053, QCA6390, QCA9379, QCN7605, SC8180X, SDX55

Vulnerability class: Buffer Overflow

Published 2020-11-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.023 (82.5th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

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-2020-11153?: CVE-2020-11153 is a critical-severity vulnerability in Qualcomm Apq8053, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-11-02.
How severe is CVE-2020-11153?: Critical severity. CVSS v3 base score is 9.8 out of 10.