What is CVE-2021-35133?

CVE-2021-35133 is a medium-severity vulnerability in Qualcomm Ar8035, classified under Use After Free. CVSS score: 6.7/10. Published 2022-09-02.

How severe is CVE-2021-35133?

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

Use After Free in Qualcomm Ar8035

CVE-2021-35133

Use after free in the synx driver issue while performing other functions during multiple invocation of synx release calls in Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

Vulnerability class: Use-After-Free

Published 2022-09-02 · 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: 0.001 (1.8th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 1.8% 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-416 — Use After Free

References

www.qualcomm.com/company/product-security/bulletins/july-2022-bulletin (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2021-35133?: CVE-2021-35133 is a medium-severity vulnerability in Qualcomm Ar8035, classified under Use After Free. CVSS score: 6.7/10. Published 2022-09-02.
How severe is CVE-2021-35133?: Medium severity. CVSS v3 base score is 6.7 out of 10.