HOMEVULNERABILITIESCVE-2020-11284
HIGH

CVE-2020-11284

CWE-667Published: May 7, 2021· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official 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

NVD Source

Technical Analysis

CVE-2020-11284 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Qualcomm262 product(s)
aqt1000 firmwareaqt1000ar8035 firmwarear8035pm3003a firmwarepm3003apm4125 firmwarepm4125pm4250 firmwarepm4250pm6125 firmwarepm6125+250
Source: NVD CPE · 262 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

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

All References (2)

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

Quick Facts

CVE IDCVE-2020-11284
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-667
CISA KEVNo
Affected1 vendor(s)
PublishedMay 7, 2021

Related CVEs (CWE-667)

CVE-2021-22530
9.9
CVE-2019-5886
9.8
CVE-2020-12658
9.8
CVE-2020-15674
8.8
CVE-2024-58087
8.1
CVE-2023-3781
7.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-11284 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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