What is CVE-2021-1967?

CVE-2021-1967 is a medium-severity vulnerability in Qualcomm Apq8009, classified under Out-of-bounds Write. CVSS score: 5.3/10. Published 2021-10-20.

How severe is CVE-2021-1967?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Buffer overflow in Qualcomm Apq8009

CVE-2021-1967

Possible stack buffer overflow due to lack of check on the maximum number of post NAN discovery attributes while processing a NAN Match event in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

Vulnerability class: Buffer Overflow

Published 2021-10-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.001 (2.8th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

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

Frequently asked questions

What is CVE-2021-1967?: CVE-2021-1967 is a medium-severity vulnerability in Qualcomm Apq8009, classified under Out-of-bounds Write. CVSS score: 5.3/10. Published 2021-10-20.
How severe is CVE-2021-1967?: Medium severity. CVSS v3 base score is 5.3 out of 10.