CVE-2023-21667

Home/CVE/Transient DOS in Bluetooth HOST while passing descriptor to validate the blacklisted BT keyboard.

CVE

Transient DOS in Bluetooth HOST while passing descriptor to validate the blacklisted BT keyboard.

MEDIUM · CVSS 6.5 EPSS 0.00082

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-125Out-of-bounds Read

CWE-126Buffer Over-read

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Affected Products & Versions

qualcomm qca6390 firmwareall versions
qualcomm qca6391 firmwareall versions
qualcomm qca6426 firmwareall versions
qualcomm qca6436 firmwareall versions
qualcomm qca6574au firmwareall versions
qualcomm qca6595au firmwareall versions
qualcomm qca6696 firmwareall versions
qualcomm qcc5100 firmwareall versions
Show all 43 affected productsqualcomm qcn9074 firmwareall versions
qualcomm qcs410 firmwareall versions
qualcomm qcs610 firmwareall versions
qualcomm sa6145p firmwareall versions
qualcomm sa6150p firmwareall versions
qualcomm sa6155p firmwareall versions
qualcomm sa8145p firmwareall versions
qualcomm sa8150p firmwareall versions
qualcomm sa8155p firmwareall versions
qualcomm sa8195p firmwareall versions
qualcomm sd 8 gen1 5g firmwareall versions
qualcomm sd865 5g firmwareall versions
qualcomm sd870 firmwareall versions
qualcomm sdx55m firmwareall versions
qualcomm sdxr2 5g firmwareall versions
qualcomm sw5100 firmwareall versions
qualcomm sw5100p firmwareall versions
qualcomm wcd9341 firmwareall versions
qualcomm wcd9370 firmwareall versions
qualcomm wcd9380 firmwareall versions
qualcomm wcn3660b firmwareall versions
qualcomm wcn3680b firmwareall versions
qualcomm wcn3950 firmwareall versions
qualcomm wcn3980 firmwareall versions
qualcomm wcn3988 firmwareall versions
qualcomm wcn6850 firmwareall versions
qualcomm wcn6851 firmwareall versions
qualcomm wcn6855 firmwareall versions
qualcomm wcn6856 firmwareall versions
qualcomm wcn7850 firmwareall versions
qualcomm wcn7851 firmwareall versions
qualcomm wsa8810 firmwareall versions
qualcomm wsa8815 firmwareall versions
qualcomm wsa8830 firmwareall versions
qualcomm wsa8835 firmwareall versions

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Scoring & Timeline

6.5

MEDIUM · CVSS v3.1 · product-security@qualcomm.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD05 Sep 2023 · 07:15 AM

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

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

https://www.qualcomm.com/company/product-security/bulletins/september-2023-bulletinPatchVendor Advisory

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CVETechnique ActorTool Family

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External lookups - second-class, for what we don’t hold ourselves

NVD CVE.org CISA Vulners Exploit-DB GitHub PoC VulnCheck KEV GreyNoise

Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities

Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs

Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures

Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1

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