What is CVE-2020-3702?

CVE-2020-3702 is a medium-severity vulnerability in Arista Access Point, classified under Cleartext Transmission of Sensitive Information. CVSS score: 6.5/10. Published 2020-09-08.

How severe is CVE-2020-3702?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2020-3702 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Arista Access Point

CVE-2020-3702

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

Published 2020-09-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (23.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: -0.000

Affected products

Weakness classification (CWE)

CWE-319 — Cleartext Transmission of Sensitive Information

Public proof-of-concept exploits

References

www.qualcomm.com/company/product-security/bulletins/august-2020-bulletin (Vendor Advisory)
www.arista.com/en/support/advisories-notices/security-advisories/11998-security… (Third Party Advisory)
www.debian.org/security/2021/dsa-4978 (vendor-advisory, Third Party Advisory)
lists.debian.org/debian-lts-announce/2021/10/msg00010.html (mailing-list, Mailing List, Third Party Advisory)
lists.debian.org/debian-lts-announce/2021/12/msg00012.html (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2020-3702?: CVE-2020-3702 is a medium-severity vulnerability in Arista Access Point, classified under Cleartext Transmission of Sensitive Information. CVSS score: 6.5/10. Published 2020-09-08.
How severe is CVE-2020-3702?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2020-3702 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.