Home/CVE/Improper buffer restrictions in firmware for some Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products be
CVE

CVE-2021-33847

Improper buffer restrictions in firmware for some Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products be

Improper buffer restrictions in firmware for some Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products before version 22.120 may allow an authenticated user to potentially enable escalation of privilege via local access.

HIGH · CVSS 7.8 EPSS 0.00057
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

18
intel wi-fi 6 ax411 firmware< 22.120
intel wi-fi 6 ax211 firmware< 22.120
intel wi-fi 6 ax210 firmware< 22.120
intel wi-fi 6 ax201 firmware< 22.120
intel wi-fi 6 ax200 firmware< 22.120
intel wireless-ac 9560 firmware< 22.120
intel wireless-ac 9462 firmware< 22.120
intel wireless-ac 9461 firmware< 22.120
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · secure@intel.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 NVD18 Aug 2022 · 08:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00628.htmlPatchVendor Advisory
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