SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-30278

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…

MEDIUM 5.5EPSS 0.14%

Does this matter?

Lower severity and a low EPSS score (0.14%). Track it; it rarely justifies an emergency change on its own.

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
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
0.14% probability · 4th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-20
Affected
qualcomm/ar8031 firmware · qualcomm/ar8035 firmware · qualcomm/csr8811 firmware · qualcomm/csra6620 firmware · qualcomm/csra6640 firmware · qualcomm/csrb31024 firmware · qualcomm/fsm10055 firmware · qualcomm/fsm10056 firmware · qualcomm/ipq6000 firmware · qualcomm/ipq6005 firmware · qualcomm/ipq6010 firmware · qualcomm/ipq6018 firmware · qualcomm/ipq6028 firmware · qualcomm/mdm9150 firmware · qualcomm/mdm9205 firmware · qualcomm/qca4004 firmware · qualcomm/qca6174a firmware · qualcomm/qca6390 firmware · qualcomm/qca6391 firmware · qualcomm/qca6426 firmware · +40 more
Source
product-security@qualcomm.com
EPSS trend
0%3%5%26 October 2026: 0.14%26 October 202626 October 2026

EPSS 0.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.