What is CVE-2021-1896?

CVE-2021-1896 is a medium-severity vulnerability in Qualcomm Aqt1000, classified under Cleartext Transmission of Sensitive Information. CVSS score: 4.3/10. Published 2021-07-13.

How severe is CVE-2021-1896?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Qualcomm Aqt1000

CVE-2021-1896

Weak configuration in WLAN could cause forwarding of unencrypted packets from one client to another in Snapdragon Compute, Snapdragon Connectivity

Published 2021-07-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (5.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-319 — Cleartext Transmission of Sensitive Information

References

www.qualcomm.com/company/product-security/bulletins/july-2021-bulletin (Vendor Advisory)

Frequently asked questions

What is CVE-2021-1896?: CVE-2021-1896 is a medium-severity vulnerability in Qualcomm Aqt1000, classified under Cleartext Transmission of Sensitive Information. CVSS score: 4.3/10. Published 2021-07-13.
How severe is CVE-2021-1896?: Medium severity. CVSS v3 base score is 4.3 out of 10.