CVE-2021-1920

CRITICAL
9.8
CVSS Score
Published: September 8, 2021 at 11:25 AM UTC
Updated: June 17, 2026 at 03:32 AM UTC
190 products affected across 1 vendorWCD9380WSA8835WSA8830

Using Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice & Music, Snapdragon Wearables by Qualcomm, Inc.?

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

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Severity
CRITICAL9.8
Exploit prediction
EPSS 0.8%

Description

Integer underflow can occur due to improper handling of incoming RTCP packets in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice & Music, Snapdragon Wearables

Affected

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

All versions
All versions
All versions
All versions
All versions
qualcomm-apq8053 (same device)
All versions
All versions
All versions
All versions
All versions
qualcomm-csr6030 (same device)

Remediation

No guide yet

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

CVSS

9.8CRITICALqualcomm
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-191

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