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Vulnerability record · CVE-2020-3702 · published 8 September 2020

CVE-2020-3702: Qualcomm apq8053 firmware cleartext transmission vulnerability

Qualcomm · Apq8053 Firmware

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

6.5 CVSS 3.1 Medium EPSS 0.33% · top 75.6% CWE-319 · Cleartext transmission
6.5CVSS 3.1 base score, v2 3.3
0.33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
13Affected product versions listed by NVD
10References
8 Oct 2026Last modified by NVD

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

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

Affected products

13 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html Mailing ListThird Party Advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/11998-security-advisory-58 Third Party Advisory
https://www.debian.org/security/2021/dsa-4978 Third Party Advisory
https://www.qualcomm.com/company/product-security/bulletins/august-2020-bulletin Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html Mailing ListThird Party Advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/11998-security-advisory-58 Third Party Advisory
https://www.debian.org/security/2021/dsa-4978 Third Party Advisory
https://www.qualcomm.com/company/product-security/bulletins/august-2020-bulletin Vendor Advisory

Track CVE-2020-3702 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2020-3702), CISA KEV, FIRST EPSS (scores of 2026-10-16). This page is refreshed as NVD updates the record.