What is CVE-2021-30305?

CVE-2021-30305 is a high-severity vulnerability in Qualcomm Qca6174a, classified under Improper Input Validation. CVSS score: 8.4/10. Published 2021-10-20.

How severe is CVE-2021-30305?

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

Improper input validation in Qualcomm Qca6174a

CVE-2021-30305

Possible out of bound access due to lack of validation of page offset before page is inserted in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2021-10-20 · 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: 0.002 (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: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

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

Frequently asked questions

What is CVE-2021-30305?: CVE-2021-30305 is a high-severity vulnerability in Qualcomm Qca6174a, classified under Improper Input Validation. CVSS score: 8.4/10. Published 2021-10-20.
How severe is CVE-2021-30305?: High severity. CVSS v3 base score is 8.4 out of 10.