What is CVE-2021-30321?

CVE-2021-30321 is a critical-severity vulnerability in Qualcomm Aqt1000, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2021-11-12.

How severe is CVE-2021-30321?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Qualcomm Aqt1000

CVE-2021-30321

Possible buffer overflow due to lack of parameter length check during MBSSID scan IE parse in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity

Vulnerability class: Buffer Overflow

EPSS: 0.008 (50.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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-2021-30321?: CVE-2021-30321 is a critical-severity vulnerability in Qualcomm Aqt1000, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2021-11-12.
How severe is CVE-2021-30321?: Critical severity. CVSS v3 base score is 9.8 out of 10.