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Vulnerability record · CVE-2020-11233 · published 9 June 2021

CVE-2020-11233: Qualcomm apq8009 firmware toctou race condition vulnerability

Qualcomm · Apq8009 Firmware

Time-of-check time-of-use race condition While processing partition entries due to newly created buffer was read again from mmc without validation in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

7.0 CVSS 3.1 High EPSS 0.13% · top 97.7% CWE-367 · TOCTOU race condition
7.0CVSS 3.1 base score, v2 6.9
0.13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
112Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Time-of-check time-of-use race condition While processing partition entries due to newly created buffer was read again from mmc without validation in Snapdragon Auto, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

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

Affected products

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

References

LinkTags
https://www.qualcomm.com/company/product-security/bulletins/january-2021-bulletin PatchVendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/january-2021-bulletin PatchVendor Advisory

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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-2020-11233), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.