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Vulnerability record · CVE-2021-1927 · published 7 May 2021

CVE-2021-1927: Qualcomm apq8009 firmware use after free vulnerability

Qualcomm · Apq8009 Firmware

Possible use after free due to lack of null check while memory is being freed in FastRPC driver in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

7.8 CVSS 3.1 High EPSS 0.16% · top 95.6% CWE-416 · Use after free
7.8CVSS 3.1 base score, v2 7.2
0.16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
150Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Possible use after free due to lack of null check while memory is being freed in FastRPC driver in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

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

Affected products

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

References

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

Track CVE-2021-1927 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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

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Source: NIST National Vulnerability Database (record CVE-2021-1927), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.