CVE-2020-11257

Name: CVE-2020-11257
Creator: NVD / NIST
Published: 2021-06-09T05:15:07.537+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.18%

Last modified Jun 17, 2026

CVE-2020-11257 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Memory corruption due to lack of validation of pointer arguments passed to TrustZone BSP in Snapdragon Wired Infrastructure and Networking. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

Memory corruption due to lack of validation of pointer arguments passed to TrustZone BSP in Snapdragon Wired Infrastructure and Networking

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.18%

7.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Qualcomm	Ar7420 Firmware	All versions
Qualcomm	Ar9580 Firmware	All versions
Qualcomm	Csr8811 Firmware	All versions
Qualcomm	Ipq4018 Firmware	All versions
Qualcomm	Ipq4019 Firmware	All versions
Qualcomm	Ipq4028 Firmware	All versions
Qualcomm	Ipq4029 Firmware	All versions
Qualcomm	Qca10901 Firmware	All versions
Qualcomm	Qca4024 Firmware	All versions
Qualcomm	Qca7500 Firmware	All versions
Qualcomm	Qca7520 Firmware	All versions
Qualcomm	Qca7550 Firmware	All versions
Qualcomm	Qca8075 Firmware	All versions
Qualcomm	Qca9880 Firmware	All versions
Qualcomm	Qca9886 Firmware	All versions
Qualcomm	Qca9888 Firmware	All versions
Qualcomm	Qca9889 Firmware	All versions
Qualcomm	Qca9898 Firmware	All versions
Qualcomm	Qca9984 Firmware	All versions
Qualcomm	Qca9992 Firmware	All versions
Qualcomm	Qca9994 Firmware	All versions
Qualcomm	Qcn3018 Firmware	All versions
Qualcomm	Qfe1922 Firmware	All versions
Qualcomm	Qfe1952 Firmware	All versions
Qualcomm	Wcd9340 Firmware	All versions
Qualcomm	Wsa8810 Firmware	All versions

References

https://www.qualcomm.com/company/product-security/bulletins/january-2021-bulletinVendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/january-2021-bulletinVendor Advisory

Timeline

Published: Jun 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-11257?

Memory corruption due to lack of validation of pointer arguments passed to TrustZone BSP in Snapdragon Wired Infrastructure and Networking

How severe is CVE-2020-11257?

CVE-2020-11257 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.

How do I fix CVE-2020-11257?

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-2020-11257?

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

Scan your code now

Source: NVD / NIST