What is CVE-2021-30315?

CVE-2021-30315 is a high-severity vulnerability in Qualcomm Mdm9628, classified under Use After Free. CVSS score: 8.4/10. Published 2021-10-20.

How severe is CVE-2021-30315?

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

Use After Free in Qualcomm Mdm9628

CVE-2021-30315

Improper handling of sensor HAL structure in absence of sensor can lead to use after free in Snapdragon Auto

Vulnerability class: Use-After-Free

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 (4.5th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.5% 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-416 — Use After Free

References

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

Frequently asked questions

What is CVE-2021-30315?: CVE-2021-30315 is a high-severity vulnerability in Qualcomm Mdm9628, classified under Use After Free. CVSS score: 8.4/10. Published 2021-10-20.
How severe is CVE-2021-30315?: High severity. CVSS v3 base score is 8.4 out of 10.