CVE-2021-30338

Name: CVE-2021-30338
Creator: NVD / NIST
Published: 2022-06-14T10:15:14.707+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.16%

Last modified Jun 17, 2026

CVE-2021-30338 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Improper input validation in TrustZone memory transfer interface can lead to information disclosure in Snapdragon Compute. EPSS estimates a 0.16% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.16%

5.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Qualcomm	Sd850 Firmware	All versions
Qualcomm	Sdxr1 Firmware	All versions

References

https://www.qualcomm.com/company/product-security/bulletins/april-2022-bulletinVendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/april-2022-bulletinVendor Advisory

Timeline

Published: Jun 14, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-30338?

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

How severe is CVE-2021-30338?

CVE-2021-30338 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.16% probability of exploitation in the next 30 days.

How do I fix CVE-2021-30338?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-30338?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST