CVE-2021-33847 json
Improper buffer restrictions in firmware for some Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products before version 22.120…
published 2022-08-18 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-20521
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 12%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- 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
- intel wireless-ac_9260_firmware 22.120
- intel dual_band_wireless-ac_8265_firmware 22.120
- intel dual_band_wireless-ac_8260_firmware 22.120
- intel dual_band_wireless-ac_3168_firmware 22.120
- intel wireless_7265_firmware 22.120
- intel dual_band_wireless-ac_3165_firmware 22.120
- intel killer_wi-fi_6e_ax1690_firmware 22.120
- intel killer_wi-fi_6e_ax1675_firmware 22.120
- intel killer_wi-fi_6_ax1650_firmware 22.120
- intel killer_wireless-ac_1550_firmware 22.120
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 18 mo ago
Exploit prediction
0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- n/a Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
intel.com
/content/www/us/en/security-center/advisory/intel-sa-00628.html
patch, vendor-advisory
Sources
- CVE List CVE-2021-33847
- NVD CVE-2021-33847
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