What is CVE-2021-30290?

CVE-2021-30290 is a high-severity vulnerability in Qualcomm Qca6174a, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 8.4/10. Published 2021-09-09.

How severe is CVE-2021-30290?

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

NULL pointer dereference in Qualcomm Qca6174a

CVE-2021-30290

Possible null pointer dereference due to race condition between timeline fence signal and time line fence destroy in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

Published 2021-09-09 · 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: 0.001 (1.0th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.0% 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)

References

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

Frequently asked questions

What is CVE-2021-30290?: CVE-2021-30290 is a high-severity vulnerability in Qualcomm Qca6174a, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 8.4/10. Published 2021-09-09.
How severe is CVE-2021-30290?: High severity. CVSS v3 base score is 8.4 out of 10.