CVE-2020-3702

Name: CVE-2020-3702
Creator: NVD / NIST
Published: 2020-09-08T10:15:16.34+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.34%

Last modified Jun 17, 2026

CVE-2020-3702 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. u'Specifically timed and handcrafted traffic can cause internal errors in a WLAN device that lead to improper layer 2 Wi-Fi encryption with a consequent possibility of information disclosure over the air for a discrete set of traffic' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking in APQ8053, IPQ4019, IPQ8064, MSM8909W, MSM8996AU, QCA9531, QCN5502, QCS405, SDX20, SM6150, SM7150. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

u'Specifically timed and handcrafted traffic can cause internal errors in a WLAN device that lead to improper layer 2 Wi-Fi encryption with a consequent possibility of information disclosure over the air for a discrete set of traffic' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking in APQ8053, IPQ4019, IPQ8064, MSM8909W, MSM8996AU, QCA9531, QCN5502, QCS405, SDX20, SM6150, SM7150

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.34%

26.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-319

Affected Software

Vendor	Product	Versions
Qualcomm	Apq8053 Firmware	All versions
Qualcomm	Ipq4019 Firmware	All versions
Qualcomm	Ipq8064 Firmware	All versions
Qualcomm	Msm8909w Firmware	All versions
Qualcomm	Msm8996au Firmware	All versions
Qualcomm	Qca9531 Firmware	All versions
Qualcomm	Qcn5502 Firmware	All versions
Qualcomm	Qcs405 Firmware	All versions
Qualcomm	Sdx20 Firmware	All versions
Qualcomm	Sm6150 Firmware	All versions
Qualcomm	Sm7150 Firmware	All versions
Debian	Debian Linux	10.0
Arista	Access Point	<= 8.8.3-12
Debian	Debian Linux	9.0

References

https://lists.debian.org/debian-lts-announce/2021/10/msg00010.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.htmlMailing List, Third Party Advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/11998-security-advisory-58Third Party Advisory
https://www.debian.org/security/2021/dsa-4978Third Party Advisory
https://www.qualcomm.com/company/product-security/bulletins/august-2020-bulletinVendor Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00010.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.htmlMailing List, Third Party Advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/11998-security-advisory-58Third Party Advisory
https://www.debian.org/security/2021/dsa-4978Third Party Advisory
https://www.qualcomm.com/company/product-security/bulletins/august-2020-bulletinVendor Advisory

Timeline

Published: Sep 8, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-3702?

How severe is CVE-2020-3702?

CVE-2020-3702 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2020-3702?

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-2020-3702?

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

Scan your code now

Source: NVD / NIST