What is CVE-2021-30347?

CVE-2021-30347 is a critical-severity vulnerability in Qualcomm Ar8035, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 9.1/10. Published 2022-06-14.

How severe is CVE-2021-30347?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Qualcomm Ar8035

CVE-2021-30347

Improper integrity check can lead to race condition between tasks PDCP and RRC? right after a valid RRC Command packet has been received in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon…

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

EPSS: 0.005 (37.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

References

product-security@qualcomm.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-30347?: CVE-2021-30347 is a critical-severity vulnerability in Qualcomm Ar8035, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 9.1/10. Published 2022-06-14.
How severe is CVE-2021-30347?: Critical severity. CVSS v3 base score is 9.1 out of 10.