CVE-2021-1896

Name: CVE-2021-1896
Creator: NVD / NIST
Published: 2021-07-13T06:15:08.06+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.17%

Last modified Jun 17, 2026

CVE-2021-1896 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Weak configuration in WLAN could cause forwarding of unencrypted packets from one client to another in Snapdragon Compute, Snapdragon Connectivity. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.17%

6.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-319

Affected Software

Vendor	Product	Versions
Qualcomm	Aqt1000 Firmware	All versions
Qualcomm	Qca6164 Firmware	All versions
Qualcomm	Qca6174 Firmware	All versions
Qualcomm	Qca6174a Firmware	All versions
Qualcomm	Qca6420 Firmware	All versions
Qualcomm	Qca6430 Firmware	All versions
Qualcomm	Qca9377 Firmware	All versions
Qualcomm	Sc8180x Firmware	All versions
Qualcomm	Sd 8c Firmware	All versions
Qualcomm	Sd 8cx Firmware	All versions
Qualcomm	Sd7c Firmware	All versions
Qualcomm	Sd850 Firmware	All versions
Qualcomm	Sm6250 Firmware	All versions
Qualcomm	Wcd9340 Firmware	All versions
Qualcomm	Wcd9341 Firmware	All versions
Qualcomm	Wcn3990 Firmware	All versions
Qualcomm	Wcn3991 Firmware	All versions
Qualcomm	Wcn3998 Firmware	All versions
Qualcomm	Wcn6850 Firmware	All versions
Qualcomm	Wsa8810 Firmware	All versions
Qualcomm	Wsa8815 Firmware	All versions
Qualcomm	Sdx55 Firmware	All versions

References

https://www.qualcomm.com/company/product-security/bulletins/july-2021-bulletinVendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/july-2021-bulletinVendor Advisory

Timeline

Published: Jul 13, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-1896?

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

How severe is CVE-2021-1896?

CVE-2021-1896 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.

How do I fix CVE-2021-1896?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-1896?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST