What is CVE-2020-11240?

CVE-2020-11240 is a high-severity vulnerability in Qualcomm Apq8009w, classified under Incorrect Calculation of Buffer Size. CVSS score: 7.8/10. Published 2021-06-09.

How severe is CVE-2020-11240?

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

Is CVE-2020-11240 known to be exploited?

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

Vulnerability in Qualcomm Apq8009w

CVE-2020-11240

Memory corruption due to ioctl command size was incorrectly set to the size of a pointer and not enough storage is allocated for the copy of the user argument in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

Published 2021-06-09 · 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 (4.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.4% 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-131 — Incorrect Calculation of Buffer Size

Public proof-of-concept exploits

TinyNiko/android_

References

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

Frequently asked questions

What is CVE-2020-11240?: CVE-2020-11240 is a high-severity vulnerability in Qualcomm Apq8009w, classified under Incorrect Calculation of Buffer Size. CVSS score: 7.8/10. Published 2021-06-09.
How severe is CVE-2020-11240?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-11240 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.