CVE-2020-11284Locked memory can be unlocked and modified by non secure boot loader through improper system call sequence making the memory region…
- 8.4HighCVSS base score
- 0.16%Exploitation in 30 daysEPSS · top 95% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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
Timeline
ID reserved
By qualcomm
- 13 months later
· 13 months later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| qualcommCNA (assigner) | 3.1 | High8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.16% · top 95% of all CVEs (14 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.4.
Affected products
Qualcomm, Inc. · Snapdragon Auto, Snapdragon Compute, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking
- affected AQT1000, AR8035, PM3003A, PM4125, PM4250, PM6125, PM6150, PM6150A, PM6150L, PM6350, PM640A, PM640L, PM640P, PM7250B, PM8004, PM8005, PM8008, PM8009, PM8150A, PM8150B, PM8150C, PM8150L, PM8250, PM8350, PM855, PM855B, PM855L, PM855P, PM8998, PMD9655, PMI632, PMI8998, PMK8002, PMK8003, PMM8195AU, PMM855AU, PMR525, PMX24, PMX55, QAT3522, QAT3550, QBT1500, QBT2000, QCA6390, QCA6391, QCA6420, QCA6421, QCA6426, QCA6430, QCA6431, QCA6436, QCA6574AU, QCA6595, QCA9984, QCM2290, QCM4290, QCS2290, QCS405, QCS4290, QET4101, QET5100, QET6100, QET6105, QFS2530, QFS2580, QPA4360, QPA5460, QPA6560, QSW8574, QTC410S, QTC800H, QTC800S, QTC801S, QTM525, SA6155P, SA8195P, SD 8C, SD 8CX, SD460, SD480, SD662, SD675, SD855, SD865 5G, SD870, SD888 5G, SDM830, SDR425, SDR660, SDR660G, SDR735, SDR735G, SDR8150, SDR8250, SDR865, SDX24, SDX55, SDX55M, SDXR2 5G, SM4125, SMB1351, SMB1354, SMB1355, SMB1390, SMB1396, SMR525, SMR526, SMR545, SMR546, WCD9340, WCD9341, WCD9360, WCD9370, WCD9375, WCD9380, WCD9385, WCN3910, WCN395 ...[truncated*]
References
References1
- https://www.qualcomm.com/company/product-security/bulletins/may-2021-bulletin (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2020-3638 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2020-11284)Record last updated .