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CVE-2021-33110

21
FAUCET Score

CVE-2021-33110 is an improper input validation vulnerability affecting Intel Wireless Bluetooth and Killer Bluetooth products on Windows 10 and 11 prior to version 22.80. This medium-severity vulnerability (CVSS 6.5) allows an unauthenticated attacker within adjacent network range to potentially cause a denial of service. There is no known active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 22.80CPE matchmatch criteria
cpe:2.3:o:intel:ac_1550_firmware:*:*:*:*:*:*:*:*
< 22.80CPE matchmatch criteria
cpe:2.3:o:intel:ac_3165_firmware:*:*:*:*:*:*:*:*
< 22.80CPE matchmatch criteria
cpe:2.3:o:intel:ac_3168_firmware:*:*:*:*:*:*:*:*
< 22.80CPE matchmatch criteria
cpe:2.3:o:intel:ac_7265_firmware:*:*:*:*:*:*:*:*
< 22.80CPE matchmatch criteria
cpe:2.3:o:intel:ac_8260_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.50%
Probability of exploitation in next 30 days
EPSS Percentile
40.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0050 is in the 61st percentile among its peer group of 1,802 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

intel.com / content/www/us/en/security-center/advisory/intel-sa-00581.html
Vendor Advisory