CVE-2020-11284

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-05-07 · updated 2026-06-17
Weakness: CWE-667

Description

Locked memory can be unlocked and modified by non secure boot loader through improper system call sequence making the memory region untrusted source of input for secure boot loader in Snapdragon Auto, Snapdragon Compute, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking

Affected products

Qualcomm Aqt1000 Firmware: all versions
Qualcomm Ar8035 Firmware: all versions
Qualcomm Pm3003A Firmware: all versions
Qualcomm Pm4125 Firmware: all versions
Qualcomm Pm4250 Firmware: all versions
Qualcomm Pm6125 Firmware: all versions
Qualcomm Pm6150 Firmware: all versions
Qualcomm Pm6150A Firmware: all versions
Qualcomm Pm6150L Firmware: all versions
Qualcomm Pm6350 Firmware: all versions
Qualcomm Pm640A Firmware: all versions
Qualcomm Pm640L Firmware: all versions
Qualcomm Pm640P Firmware: all versions
Qualcomm Pm7250B Firmware: all versions
Qualcomm Pm8004 Firmware: all versions
Qualcomm Pm8005 Firmware: all versions
Qualcomm Pm8008 Firmware: all versions
Qualcomm Pm8009 Firmware: all versions
Qualcomm Pm8150A Firmware: all versions
Qualcomm Pm8150B Firmware: all versions
Qualcomm Pm8150C Firmware: all versions
Qualcomm Pm8150L Firmware: all versions
Qualcomm Pm8250 Firmware: all versions
Qualcomm Pm8350 Firmware: all versions
Qualcomm Pm855 Firmware: all versions
Qualcomm Pm855B Firmware: all versions
Qualcomm Pm855L Firmware: all versions
Qualcomm Pm855P Firmware: all versions
Qualcomm Pm8998 Firmware: all versions
Qualcomm Pmd9655 Firmware: all versions

References

https://www.qualcomm.com/company/product-security/bulletins/may-2021-bulletin
https://www.qualcomm.com/company/product-security/bulletins/may-2021-bulletin

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