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Vulnerability record · CVE-2020-3684 · published 2 November 2020

CVE-2020-3684: Qualcomm agatti firmware vulnerability

Qualcomm · Agatti Firmware

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

7.8 CVSS 3.1 High EPSS 0.22% · top 88.7%
7.8CVSS 3.1 base score, v2 4.6
0.22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
45Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

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/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

45 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.qualcomm.com/company/product-security/bulletins/october-2020-bulletin Broken Link
https://www.qualcomm.com/company/product-security/bulletins/october-2020-security-bulletin Vendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/october-2020-bulletin Broken Link

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-3684), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.