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Vulnerability record · CVE-2023-21647 · published 8 August 2023

CVE-2023-21647: Qualcomm qca6390 firmware improper input validation vulnerability

Qualcomm · Qca6390 Firmware

Information disclosure in Bluetooth when an GATT packet is received due to improper input validation.

6.5 CVSS 3.1 Medium EPSS 0.39% · top 69.4% CWE-20 · Improper input validation
6.5CVSS 3.1 base score
0.39%EPSS exploitation probability, 30 days
NoNot in CISA KEV
43Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Information disclosure in Bluetooth when an GATT packet is received due to improper input validation.

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

Affected products

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

References

LinkTags
https://www.qualcomm.com/company/product-security/bulletins/august-2023-bulletin PatchVendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/august-2023-bulletin PatchVendor Advisory

Track CVE-2023-21647 inside VULONE

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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-2023-21647), CISA KEV, FIRST EPSS (scores of 2026-10-07). This page is refreshed as NVD updates the record.