← Vulnerability feed

Vulnerability record · CVE-2021-30278 · published 3 January 2022

CVE-2021-30278: Qualcomm ar8031 firmware improper input validation vulnerability

Qualcomm · Ar8031 Firmware

Improper input validation in TrustZone memory transfer interface can lead to information disclosure in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

5.5 CVSS 3.1 Medium EPSS 0.15% · top 96.6% CWE-20 · Improper input validation
5.5CVSS 3.1 base score, v2 2.1
0.15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
126Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Improper input validation in TrustZone memory transfer interface can lead to information disclosure in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

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

Affected products

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

References

LinkTags
https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletin Vendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletin Vendor Advisory

Track CVE-2021-30278 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2026-21385Qualcomm chipset firmware memory corruption via alignment integer overflowA memory corruption flaw in Qualcomm chipset firmware arises from an integer overflow when alignments are used for memory allocation (CWE-190). It af…KEVEPSS 1.3%analysed7.8CVE-2023-33107Qualcomm Graphics Linux integer overflow memory corruptionCVE-2023-33107 is an integer overflow (CWE-190) in Qualcomm Graphics Linux that causes memory corruption when a shared virtual memory region is assig…KEVEPSS 0.74%analysed7.8CVE-2023-33106Qualcomm GPU AUX Command Sync Point Memory CorruptionCVE-2023-33106 is a memory corruption flaw in Qualcomm chipsets triggered when a large list of sync points is submitted in an AUX command to the IOCT…KEVEPSS 0.79%analysed7.8CVE-2023-33063Qualcomm DSP Services use-after-free memory corruptionCVE-2023-33063 is a use-after-free memory corruption flaw in Qualcomm DSP Services, triggered during a remote call from the high-level operating syst…KEVEPSS 0.67%analysed7.8CVE-2022-22071Qualcomm chipset shell memory use-after-free via IOCTL munmapA use-after-free exists in Qualcomm Snapdragon and related chipset firmware when process shell memory is freed through an IOCTL munmap call while pro…KEVEPSS 0.41%analysed7.8CVE-2020-11261Qualcomm Snapdragon chipsets memory corruption via improper allocation size checkQualcomm Snapdragon firmware fails to return an error when a user application requests a very large memory allocation, leading to memory corruption (…KEVEPSS 1.6%analysed7.8CVE-2021-1905Qualcomm Snapdragon chipsets use-after-free in memory mapping handlingA use-after-free flaw exists in multiple Qualcomm Snapdragon chipset families due to improper handling of memory mapping when multiple processes oper…KEVEPSS 1.5%analysed7.5CVE-2025-27038Qualcomm Adreno GPU driver use-after-free in Chrome graphics renderingA use-after-free (CWE-416) in Qualcomm Adreno GPU drivers causes memory corruption while rendering graphics in Chrome. It affects a broad set of Qual…KEVEPSS 1.0%analysed

Source: NIST National Vulnerability Database (record CVE-2021-30278), CISA KEV, FIRST EPSS (scores of 2026-10-17). This page is refreshed as NVD updates the record.