What is CVE-2021-30331?

CVE-2021-30331 is a medium-severity vulnerability in Qualcomm Ar8035, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2022-04-01.

How severe is CVE-2021-30331?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Qualcomm Ar8035

CVE-2021-30331

Possible buffer overflow due to improper data validation of external commands sent via DIAG interface in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables

Vulnerability class: Buffer Overflow

EPSS: 0.001 (3.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

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

Frequently asked questions

What is CVE-2021-30331?: CVE-2021-30331 is a medium-severity vulnerability in Qualcomm Ar8035, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2022-04-01.
How severe is CVE-2021-30331?: Medium severity. CVSS v3 base score is 5.5 out of 10.