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Vulnerability record · CVE-2020-3640 · published 8 September 2020

CVE-2020-3640: Qualcomm bitra firmware vulnerability

Qualcomm · Bitra Firmware

u'Resizing the usage table header before passing all the checks leads to the function exiting with a usage table in invalid state when a HLOS adversary calls the function with wrong input' in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking in Bitra, Kamorta, QCS404, QCS610, Rennell, Saipan, SC7180, SDX55, SM6150, SM7150, SM8250, SXR2130

7.8 CVSS 3.1 High EPSS 0.20% · top 90.7% CWE-131 · CWE-131
7.8CVSS 3.1 base score, v2 7.2
0.20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
12Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

u'Resizing the usage table header before passing all the checks leads to the function exiting with a usage table in invalid state when a HLOS adversary calls the function with wrong input' in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking in Bitra, Kamorta, QCS404, QCS610, Rennell, Saipan, SC7180, SDX55, SM6150, SM7150, SM8250, SXR2130

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

Affected products

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

References

LinkTags
https://www.qualcomm.com/company/product-security/bulletins/august-2020-bulletin Broken Link
https://www.qualcomm.com/company/product-security/bulletins/august-2020-security-bulletin Vendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/august-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-2020-3640), CISA KEV, FIRST EPSS (scores of 2026-10-01). This page is refreshed as NVD updates the record.