Auth bypass in Qualcomm Aqt1000

CVE-2021-1903

Possible denial of service scenario can occur due to lack of length check on Channel Switch Announcement IE in beacon or probe response frame in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

Vulnerability class: Broken Access Control

EPSS: 0.005 (41.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-1903?
CVE-2021-1903 is a medium-severity vulnerability in Qualcomm Aqt1000, classified under Incorrect Authorization. CVSS score: 5.3/10. Published 2021-11-12.
How severe is CVE-2021-1903?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2021-1903 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.