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CVE-2020-3702

MEDIUM
6.5
CVSS Score
Published: September 8, 2020 at 09:31 AM UTC
Updated: October 8, 2026 at 09:17 PM UTC
23 products affected across 4 vendorsDebian LinuxMSM8909W FirmwareMSM8996AU Firmware· also runs on 17 platforms

Using Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking by Qualcomm, Inc.?

Get instant alerts when new vulnerabilities affect Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking - before attackers find them.

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Access Point· Arista
95%
v ≤ 8.8.3-12*
arista-av2 (environment) · arista-c-75 (environment) · arista-c75-e (environment) · arista-o-90 (environment) · arista-o90e (environment) · arista-w-68 (environment)
Debian Linux· Debiandrupal
95%
10.09.0
APQ8053 Firmware· Qualcomm
95%
-
qualcomm-apq8053 (same device)
IPQ4019 Firmware· Qualcomm
95%
All versions
IPQ8064 Firmware· Qualcomm
95%
All versions
MSM8909W Firmware· Qualcomm
95%
All versions
MSM8996AU Firmware· Qualcomm
95%
All versions
QCA9531 Firmware· Qualcomm
95%
All versions
QCN5502 Firmware· Qualcomm
95%
All versions
QCS405 Firmware· Qualcomm
95%
All versions

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (5)

Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://www.arista.com/en/support/advisories-notices/security-advisories/11998-security-advisory-58
Vendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2021/dsa-4978
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.qualcomm.com/company/product-security/bulletins/august-2020-bulletin

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUM[email protected]
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-319

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