SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-3684

u'QSEE reads the access permission policy for the SMEM TOC partition from the SMEM TOC contents populated by XBL Loader and applies them without validation' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT,…

HIGH 7.8EPSS 0.22%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

u'QSEE reads the access permission policy for the SMEM TOC partition from the SMEM TOC contents populated by XBL Loader and applies them without validation' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking in Agatti, APQ8009, APQ8098, Bitra, IPQ6018, Kamorta, MDM9150, MDM9205, MDM9206, MDM9607, MDM9650, MSM8905, MSM8998, Nicobar, QCA6390, QCS404, QCS405, QCS605, QCS610, Rennell, SA415M, SA515M, SA6155P, SA8155P, Saipan, SC7180, SC8180X, SDA660, SDA845, SDM630, SDM636, SDM660, SDM670, SDM710, SDM845, SDM850, SDX20, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.22% probability · 12th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
qualcomm/agatti firmware · qualcomm/apq8009 firmware · qualcomm/apq8098 firmware · qualcomm/bitra firmware · qualcomm/ipq6018 firmware · qualcomm/kamorta firmware · qualcomm/mdm9150 firmware · qualcomm/mdm9205 firmware · qualcomm/mdm9206 firmware · qualcomm/mdm9607 firmware · qualcomm/mdm9650 firmware · qualcomm/msm8905 firmware · qualcomm/msm8998 firmware · qualcomm/nicobar firmware · qualcomm/qca6390 firmware · qualcomm/qcs404 firmware · qualcomm/qcs405 firmware · qualcomm/qcs605 firmware · qualcomm/qcs610 firmware · qualcomm/rennell firmware · +25 more
Source
product-security@qualcomm.com
EPSS trend
0%3%5%26 October 2026: 0.22%26 October 202626 October 2026

EPSS 0.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.