What is CVE-2021-1899?

CVE-2021-1899 is a medium-severity vulnerability in Qualcomm Apq8009w, classified under Out-of-bounds Read. CVSS score: 4.6/10. Published 2021-07-13.

How severe is CVE-2021-1899?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Out-of-bounds Read in Qualcomm Apq8009w

CVE-2021-1899

Possible buffer over read due to lack of length check while flashing meta images in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables

Vulnerability class: Buffer Overflow

Published 2021-07-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.001 (2.9th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.9% 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-125 — Out-of-bounds Read

References

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

Frequently asked questions

What is CVE-2021-1899?: CVE-2021-1899 is a medium-severity vulnerability in Qualcomm Apq8009w, classified under Out-of-bounds Read. CVSS score: 4.6/10. Published 2021-07-13.
How severe is CVE-2021-1899?: Medium severity. CVSS v3 base score is 4.6 out of 10.