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No exploitation reportedFix available

CVE-2021-33110

No exploitation reported by the sources we read.

  • Published2022-02-09
  • Fixed in22.80
  • WeaknessCWE-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Improper input validation for some Intel(R) Wireless Bluetooth(R) products and Killer(TM) Bluetooth(R) products in Windows 10 and 11 before version 22.80 may allow an unauthenticated user to potentially enable denial of service via adjacent access.

Timeline

dates in UTC
  1. 2022-02-0923:15CVE publishedNVD

Versions per branch

NVD
Intel ac 1550 firmwareversion to verify
BranchAffectedFixed in
22.80< 22.8022.80
Intel ac 3165 firmwareversion to verify
BranchAffectedFixed in
22.80< 22.8022.80
Intel ac 3168 firmwareversion to verify
BranchAffectedFixed in
22.80< 22.8022.80

12 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As intel, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Intel(R) Wireless Bluetooth(R) products and Killer(TM) Bluetooth(R) products in Windows 10 and 11
    Affected
    • = before version 22.80no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2022-02-09

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • linux-firmwareUbuntu:Pro:20.04:LTSall versions · no fixed version listed
  • linux-firmwareUbuntu:Pro:18.04:LTSall versions · no fixed version listed
  • linux-firmwareUbuntu:26.10all versions · no fixed version listed
  • linux-firmwareUbuntu:26.04:LTSall versions · no fixed version listed
  • linux-firmwareUbuntu:25.10all versions · no fixed version listed
  • linux-firmwareUbuntu:24.04:LTSall versions · no fixed version listed
  • linux-firmwareUbuntu:22.04:LTSall versions · no fixed version listed
  • linux-firmwareUbuntu:16.04:LTSall versions · no fixed version listed

1 more package range on OSV.dev

Full record on NVD

Fix

  1. Update Intel ac 1550 firmware to 22.80

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2022-02-09
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-c3fq-5967-8fmf

Frequently asked questions

What is CVE-2021-33110?

Improper input validation for some Intel(R) Wireless Bluetooth(R) products and Killer(TM) Bluetooth(R) products in Windows 10 and 11 before version 22.80 may allow an unauthenticated user to potentially enable denial of service via adjacent access.

Is CVE-2021-33110 actively exploited?

Active exploitation of CVE-2021-33110 has not been confirmed. Its EPSS score was 0.5% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-33110?

CVE-2021-33110 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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Sources for this record