SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-30338

Improper input validation in TrustZone memory transfer interface can lead to information disclosure in Snapdragon Compute

MEDIUM 5.5EPSS 0.16%

Does this matter?

Lower severity and a low EPSS score (0.16%). 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 Compute

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
0.16% probability · 5th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-20
Affected
qualcomm/sd850 firmware · qualcomm/sdxr1 firmware
Source
product-security@qualcomm.com
EPSS trend
0%3%5%26 October 2026: 0.16%26 October 202626 October 2026

EPSS 0.2% 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.