{"id":"USN-4757-1","summary":"wpa vulnerability","details":"It was discovered that wpa_supplicant did not properly handle P2P\n(Wi-Fi Direct) provision discovery requests in some situations. A\nphysically proximate attacker could use this to cause a denial of service\nor possibly execute arbitrary code.\n","modified":"2026-02-10T04:42:05Z","published":"2021-03-03T11:45:25Z","related":["UBUNTU-CVE-2021-27803"],"upstream":["CVE-2021-27803","UBUNTU-CVE-2021-27803"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4757-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-27803"}],"affected":[{"package":{"name":"wpa","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/wpa@2.4-0ubuntu6.8?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4-0ubuntu6.8"}]}],"versions":["2.4-0ubuntu3","2.4-0ubuntu4","2.4-0ubuntu5","2.4-0ubuntu6","2.4-0ubuntu6.2","2.4-0ubuntu6.3","2.4-0ubuntu6.4","2.4-0ubuntu6.5","2.4-0ubuntu6.6","2.4-0ubuntu6.7"],"ecosystem_specific":{"binaries":[{"binary_version":"1:2.4-0ubuntu6.8","binary_name":"hostapd"},{"binary_version":"2.4-0ubuntu6.8","binary_name":"wpagui"},{"binary_version":"2.4-0ubuntu6.8","binary_name":"wpasupplicant"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4757-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2021-27803"}],"ecosystem":"Ubuntu:16.04:LTS"}}},{"package":{"name":"wpa","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/wpa@2:2.6-15ubuntu2.8?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.6-15ubuntu2.8"}]}],"versions":["2.4-0ubuntu10","2:2.4-1.1ubuntu1","2:2.6-15ubuntu1","2:2.6-15ubuntu2","2:2.6-15ubuntu2.1","2:2.6-15ubuntu2.2","2:2.6-15ubuntu2.3","2:2.6-15ubuntu2.4","2:2.6-15ubuntu2.5","2:2.6-15ubuntu2.6","2:2.6-15ubuntu2.7"],"ecosystem_specific":{"binaries":[{"binary_version":"2:2.6-15ubuntu2.8","binary_name":"hostapd"},{"binary_version":"2:2.6-15ubuntu2.8","binary_name":"wpagui"},{"binary_version":"2:2.6-15ubuntu2.8","binary_name":"wpasupplicant"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4757-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2021-27803"}],"ecosystem":"Ubuntu:18.04:LTS"}}},{"package":{"name":"wpa","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/wpa@2:2.9-1ubuntu4.3?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:2.9-1ubuntu4.3"}]}],"versions":["2:2.9-1ubuntu2","2:2.9-1ubuntu3","2:2.9-1ubuntu4","2:2.9-1ubuntu4.1","2:2.9-1ubuntu4.2"],"ecosystem_specific":{"binaries":[{"binary_version":"2:2.9-1ubuntu4.3","binary_name":"hostapd"},{"binary_version":"2:2.9-1ubuntu4.3","binary_name":"wpagui"},{"binary_version":"2:2.9-1ubuntu4.3","binary_name":"wpasupplicant"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4757-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2021-27803"}],"ecosystem":"Ubuntu:20.04:LTS"}}}],"schema_version":"1.7.3"}