PT-2021-9292 · Qualcomm · Qualcomm Snapdragon

Published 2021-05-07 · Updated 2021-05-12 · CVE-2020-11284

Positive Technologies (AI Summary)

CVSS v3.1

8.4

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Qualcomm Snapdragon (affected versions not specified)

Description The issue concerns an improper system call sequence that allows a non-secure boot loader to unlock and modify locked memory. This makes the memory region an untrusted source of input for the secure boot loader, potentially compromising the security of the system. The estimated number of potentially affected devices worldwide is not available. There is no information about real-world incidents where this issue was exploited. Technical details about exploitation include the use of an improper system call sequence.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Locking

Weakness Enumeration

CWE-667

Related Identifiers

CVE-2020-11284

Affected Products

Qualcomm Snapdragon

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2020-11284 · Security Note
• https://qualcomm.com/company/product-security/bulletins/may-2021-bulletin · Vendor Advisory