What is CVE-2020-11236?

CVE-2020-11236 is a high-severity vulnerability in Qualcomm Csrb31024, classified under Out-of-bounds Write. CVSS score: 8.4/10. Published 2021-04-07.

How severe is CVE-2020-11236?

High severity. CVSS v3 base score is 8.4 out of 10.

Buffer overflow in Qualcomm Csrb31024

CVE-2020-11236

Memory corruption due to invalid value of total dimension in the non-histogram type KPI could lead to a denial of service in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Mobile

Vulnerability class: Buffer Overflow

Published 2021-04-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (36.6th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

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

Frequently asked questions

What is CVE-2020-11236?: CVE-2020-11236 is a high-severity vulnerability in Qualcomm Csrb31024, classified under Out-of-bounds Write. CVSS score: 8.4/10. Published 2021-04-07.
How severe is CVE-2020-11236?: High severity. CVSS v3 base score is 8.4 out of 10.