{"id":"CVE-2020-12321","title":"Improper buffer restriction in some Intel(R) Wireless Bluetooth(R) products before version 21.110 may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access.","summary":"Improper buffer restriction in some Intel(R) Wireless Bluetooth(R) products before version 21.110 may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access.","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","vendor":"intel","product":"dual_band_wireless-ac_3168_firmware","affected":["dual_band_wireless-ac_3168_firmware < 21.110","dual_band_wireless-ac_8260_firmware < 21.110","dual_band_wireless-ac_8265_firmware < 21.110","wi-fi_6_ax200_firmware < 21.110","wi-fi_6_ax201_firmware < 21.110","wireless-ac_9260_firmware < 21.110","wireless-ac_9461_firmware < 21.110","wireless-ac_9462_firmware < 21.110","wireless-ac_9560_firmware < 21.110","wireless_7265_(rev_d)_firmware < 21.110","dual_band_wireless-ac_3165_firmware < 21.110"],"patched":["dual_band_wireless-ac_3168_firmware 21.110","dual_band_wireless-ac_8260_firmware 21.110","dual_band_wireless-ac_8265_firmware 21.110","wi-fi_6_ax200_firmware 21.110","wi-fi_6_ax201_firmware 21.110","wireless-ac_9260_firmware 21.110","wireless-ac_9461_firmware 21.110","wireless-ac_9462_firmware 21.110","wireless-ac_9560_firmware 21.110","wireless_7265_(rev_d)_firmware 21.110","dual_band_wireless-ac_3165_firmware 21.110"],"published":"2020-11-12","updated":"2026-10-08","sourceUpdated":"2026-10-08T22:16:56.387","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2020-12321","references":[{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00403","label":"secure@intel.com"},{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00403","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00982,"epssPercentile":0.61131,"ingestedAt":"2026-10-08T23:16:47.309Z","slug":"CVE-2020-12321","body":"## Overview\n\nImproper buffer restriction in some Intel(R) Wireless Bluetooth(R) products before version 21.110 may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access.\n\n## Affected\n\n- `dual_band_wireless-ac_3168_firmware < 21.110`\n- `dual_band_wireless-ac_8260_firmware < 21.110`\n- `dual_band_wireless-ac_8265_firmware < 21.110`\n- `wi-fi_6_ax200_firmware < 21.110`\n- `wi-fi_6_ax201_firmware < 21.110`\n- `wireless-ac_9260_firmware < 21.110`\n- `wireless-ac_9461_firmware < 21.110`\n- `wireless-ac_9462_firmware < 21.110`\n- `wireless-ac_9560_firmware < 21.110`\n- `wireless_7265_(rev_d)_firmware < 21.110`\n- `dual_band_wireless-ac_3165_firmware < 21.110`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `dual_band_wireless-ac_3168_firmware 21.110`\n- `dual_band_wireless-ac_8260_firmware 21.110`\n- `dual_band_wireless-ac_8265_firmware 21.110`\n- `wi-fi_6_ax200_firmware 21.110`\n- `wi-fi_6_ax201_firmware 21.110`\n- `wireless-ac_9260_firmware 21.110`\n- `wireless-ac_9461_firmware 21.110`\n- `wireless-ac_9462_firmware 21.110`\n- `wireless-ac_9560_firmware 21.110`\n- `wireless_7265_(rev_d)_firmware 21.110`\n- `dual_band_wireless-ac_3165_firmware 21.110`","depth":"twilight","depthScore":49,"depthScoreParts":{"impact":48.4,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}