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Vulnerability record · CVE-2020-3704 · published 2 November 2020

CVE-2020-3704: Qualcomm agatti firmware vulnerability

Qualcomm · Agatti Firmware

u'While processing invalid connection request PDU which is nonstandard (interval or timeout is 0) from central device may lead peripheral system enter into dead lock state.(This CVE is equivalent to InvalidConnectionRequest(CVE-2019-19193) mentioned in sweyntooth paper)' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking in Agatti, APQ8009, APQ8017, APQ8053, AR9344, Bitra, IPQ5018, Kamorta, MDM9607, MDM9640, MDM9650, MSM8996AU, Nicobar, QCA6174A, QCA6390, QCA6574AU, QCA9377, QCA9886, QCM6125, QCN7605, QCS404, QCS405, QCS605, QCS610, QRB5165, Rennell, SA415M, SA515M, Saipan, SC7180, SC8180X, SDA845, SDM660, SDM670, SDM710, SDM845, SDM850, SDX20, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130

7.5 CVSS 3.1 High EPSS 0.53% · top 57.0% CWE-667 · CWE-667
7.5CVSS 3.1 base score, v2 7.8
0.53%EPSS exploitation probability, 30 days
NoNot in CISA KEV
46Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

u'While processing invalid connection request PDU which is nonstandard (interval or timeout is 0) from central device may lead peripheral system enter into dead lock state.(This CVE is equivalent to InvalidConnectionRequest(CVE-2019-19193) mentioned in sweyntooth paper)' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking in Agatti, APQ8009, APQ8017, APQ8053, AR9344, Bitra, IPQ5018, Kamorta, MDM9607, MDM9640, MDM9650, MSM8996AU, Nicobar, QCA6174A, QCA6390, QCA6574AU, QCA9377, QCA9886, QCM6125, QCN7605, QCS404, QCS405, QCS605, QCS610, QRB5165, Rennell, SA415M, SA515M, Saipan, SC7180, SC8180X, SDA845, SDM660, SDM670, SDM710, SDM845, SDM850, SDX20, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

46 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-2020-3704), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.