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CVE-2020-3702

22
FAUCET Score

CVE-2020-3702 is a medium-severity vulnerability affecting numerous Qualcomm Snapdragon products across various categories, including Auto, Compute, and Mobile. It allows an attacker to cause internal errors in a WLAN device through specifically timed and handcrafted traffic, leading to improper Layer 2 Wi-Fi encryption and potential information disclosure over the air. With a CVSS score of 6.5, this vulnerability has a low attack complexity and requires adjacent network access, but can result in high confidentiality impact. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), it has garnered significant community discussion and media coverage, indicating awareness of the issue.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:qualcomm:apq8053_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:qualcomm:ipq4019_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:qualcomm:ipq8064_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:qualcomm:msm8909w_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:qualcomm:msm8996au_firmware:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.34%
Probability of exploitation in next 30 days
EPSS Percentile
26.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0034 is in the 40th percentile among its peer group of 1,802 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (2)

redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2020-3702Moderate

kernel: ath9k: information disclosure via specifically timed and handcrafted traffic

Aug 5, 2020

References

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