Cyber Resilience

CVE-2023-21647

Medium

Published: 08 August 2023

Published
08 August 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0027 50.8th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-21647 is a medium-severity Improper Input Validation (CWE-20) vulnerability in Qualcomm Qca6390 Firmware. Its CVSS base score is 6.5 (Medium).

Operationally, ranked in the top 49.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

qualcomm
qca6390 firmware
all versions
qualcomm
qca6391 firmware
all versions
qualcomm
qca6426 firmware
all versions
qualcomm
qca6436 firmware
all versions
qualcomm
qca6574au firmware
all versions
qualcomm
qca6595au firmware
all versions
qualcomm
qca6696 firmware
all versions
qualcomm
qcc5100 firmware
all versions
qualcomm
qcn9074 firmware
all versions
qualcomm
qcs410 firmware
all versions
+33 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-20

Security testing and developer training directly verify and enforce proper input validation, reducing exploitability of injection and malformed-data weaknesses.

addresses: CWE-20

Security testing and evaluation at multiple SDLC stages directly detects missing or flawed input validation, with the required remediation process ensuring fixes are applied.

addresses: CWE-20

Directly implements checks on information inputs to reject invalid data before processing.

addresses: CWE-20

Spam protection mechanisms perform filtering and detection on inbound/outbound messages, directly compensating for missing or weak input validation of unsolicited content.

References