CVE-2021-33139
lowpriority · track · 23EPSS 0.005 · 42 %ileDEEUUSEPSS · scored 2026-10-27
Improper conditions check in firmware for some Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products before version 22.100 may allow an authenticated user to potentially enable denial of service via adjacent access.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.7–5.7
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (22)
Products and version ranges known to be affected.
- n/a Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products≤ before version 22.100enisa_euvdEU
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-0368Intel Wireless Bluetooth Produkte: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2022-02-08csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Intel Wireless Bluetooth und Killer Bluetooth Produkten ausnutzen, um einen Denial of Service Angriff durchzuführen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2021-33139cnnvd
- https://support.lenovo.com/us/en/product_security/LEN-76841cnnvd
- https://vigilance.fr/vulnerability/Intel-Wireless-Bluetooth-Killer-Bluetooth-two-vulnerabilities-37706cnnvd
- https://www.auscert.org.au/bulletins/ESB-2022.0549cnnvd
- https://www.auscert.org.au/bulletins/ESB-2022.0929cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2022020915cnnvd
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00604.htmlcnnvd
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00604.htmlenisa_euvd
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