What is CVE-2021-30265?

CVE-2021-30265 is a medium-severity vulnerability in Qualcomm Apq8053, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2021-11-12.

How severe is CVE-2021-30265?

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

Buffer overflow in Qualcomm Apq8053

CVE-2021-30265

Possible memory corruption due to improper validation of memory address while processing user-space IOCTL for clearing Filter and Route statistics 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 2021-11-12 · 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 (3.6th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.6% 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: 0.002 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

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

Frequently asked questions

What is CVE-2021-30265?: CVE-2021-30265 is a medium-severity vulnerability in Qualcomm Apq8053, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2021-11-12.
How severe is CVE-2021-30265?: Medium severity. CVSS v3 base score is 6.7 out of 10.