{"cve":"CVE-2020-11284","nvd":{"published":"2021-05-07T09:15:07.910","modified":"2026-06-17T02:49:59.170","status":"Modified","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","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-667"],"references":["https://www.qualcomm.com/company/product-security/bulletins/may-2021-bulletin","https://www.qualcomm.com/company/product-security/bulletins/may-2021-bulletin"],"products":["qualcomm:aqt1000_firmware","qualcomm:ar8035_firmware","qualcomm:pm3003a_firmware","qualcomm:pm4125_firmware","qualcomm:pm4250_firmware","qualcomm:pm6125_firmware","qualcomm:pm6150_firmware","qualcomm:pm6150a_firmware","qualcomm:pm6150l_firmware","qualcomm:pm6350_firmware","qualcomm:pm640a_firmware","qualcomm:pm640l_firmware","qualcomm:pm640p_firmware","qualcomm:pm7250b_firmware","qualcomm:pm8004_firmware","qualcomm:pm8005_firmware","qualcomm:pm8008_firmware","qualcomm:pm8009_firmware","qualcomm:pm8150a_firmware","qualcomm:pm8150b_firmware","qualcomm:pm8150c_firmware","qualcomm:pm8150l_firmware","qualcomm:pm8250_firmware","qualcomm:pm8350_firmware","qualcomm:pm855_firmware","qualcomm:pm855b_firmware","qualcomm:pm855l_firmware","qualcomm:pm855p_firmware","qualcomm:pm8998_firmware","qualcomm:pmd9655_firmware","qualcomm:pmi632_firmware","qualcomm:pmi8998_firmware","qualcomm:pmk8002_firmware","qualcomm:pmk8003_firmware","qualcomm:pmm8195au_firmware","qualcomm:pmm855au_firmware","qualcomm:pmr525_firmware","qualcomm:pmx24_firmware","qualcomm:pmx55_firmware","qualcomm:qat3522_firmware","qualcomm:qat3550_firmware","qualcomm:qbt1500_firmware","qualcomm:qbt2000_firmware","qualcomm:qca6390_firmware","qualcomm:qca6391_firmware","qualcomm:qca6420_firmware","qualcomm:qca6421_firmware","qualcomm:qca6426_firmware","qualcomm:qca6430_firmware","qualcomm:qca6431_firmware"],"source":"nvd","synced_at":"2026-10-19T21:18:09.669877188+00:00"},"epss":{"cve":"CVE-2020-11284","score":0.00158,"percentile":0.04953,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}