What is CVE-2020-11183?

CVE-2020-11183 is a medium-severity vulnerability in Qualcomm Apq8009, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.7/10. Published 2021-01-21.

How severe is CVE-2020-11183?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Buffer overflow in Qualcomm Apq8009

CVE-2020-11183

A process can potentially cause a buffer overflow in the display service allowing privilege escalation by executing code as that service in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

Vulnerability class: Buffer Overflow

Published 2021-01-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (9.9th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.9% 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)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

www.qualcomm.com/company/product-security/bulletins/december-2020-bulletin (Broken Link)
www.qualcomm.com/company/product-security/bulletins/december-2020-security-bull… (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2020-11183?: CVE-2020-11183 is a medium-severity vulnerability in Qualcomm Apq8009, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.7/10. Published 2021-01-21.
How severe is CVE-2020-11183?: Medium severity. CVSS v3 base score is 6.7 out of 10.