What is CVE-2021-1921?

CVE-2021-1921 is a high-severity vulnerability in Qualcomm Aqt1000, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.8/10. Published 2021-11-12.

How severe is CVE-2021-1921?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Qualcomm Aqt1000

CVE-2021-1921

Possible memory corruption due to Improper handling of hypervisor unmap operations for concurrent memory operations in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile

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

EPSS: 0.001 (1.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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-2021-1921?: CVE-2021-1921 is a high-severity vulnerability in Qualcomm Aqt1000, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.8/10. Published 2021-11-12.
How severe is CVE-2021-1921?: High severity. CVSS v3 base score is 7.8 out of 10.