{"id":"CVE-2021-27803","aliases":["ALPINE-CVE-2021-27803","AZL-6973","BELL-CVE-2021-27803","DEBIAN-CVE-2021-27803","DLA-2581-1","DSA-4898-1","EUVD-2021-14544","GHSA-66mx-93rr-rg39","MGASA-2021-0095","OESA-2021-1133","RHSA-2021:0808","RHSA-2021:0809","RHSA-2021:0816","RHSA-2021:0818","SUSE-SU-2021:0720-1","SUSE-SU-2021:0721-1","SUSE-SU-2021:0745-1","UBUNTU-CVE-2021-27803","USN-4757-1","USN-4757-2","openSUSE-SU-2021:0404-1","openSUSE-SU-2024:11515-1"],"status":"published","title":"A vulnerability was discovered in how p2p/p2p_pd.c in wpa_supplicant before 2.10 processes P2P ...","description":"A vulnerability was discovered in how p2p/p2p_pd.c in wpa_supplicant before 2.10 processes P2P (Wi-Fi Direct) provision discovery requests. It could result in denial of service or other impact (potentially execution of arbitrary code), for an attacker within radio range.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01228,"percentile":0.69246,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-02-26T22:11:27Z","modified":"2026-10-23T18:03:25Z","fixes":[{"ecosystem":"Alpine:v3.10","package":"wpa_supplicant","fixed_in":["2.8-r5"],"sources":["osv"]},{"ecosystem":"Alpine:v3.11","package":"wpa_supplicant","fixed_in":["2.9-r7"],"sources":["osv"]},{"ecosystem":"Alpine:v3.12","package":"wpa_supplicant","fixed_in":["2.9-r7"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"wpa_supplicant","fixed_in":["2.9-r10"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"wpa_supplicant","fixed_in":["2.9-r12"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"wpa_supplicant","fixed_in":["2.9-r12"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"wpa_supplicant","fixed_in":["2.9-r12"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"wpa_supplicant","fixed_in":["2.9-r12"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"wpa_supplicant","fixed_in":["2.9-r12"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"wpa_supplicant","fixed_in":["2.9-r12"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"wpa_supplicant","fixed_in":["2.9-r12"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"wpa_supplicant","fixed_in":["2.9-r12"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"wpa_supplicant","fixed_in":["2.9-r12"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"wpa_supplicant","fixed_in":["2.9-r12"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"wpa_supplicant","fixed_in":["2.9-r12"],"sources":["osv"]},{"ecosystem":"Azure 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Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27803","tags":["web","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZGUR5XFHATVXTRAEJMODS7ROYHA56NX"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KOGP2VIVVXXQ6CZ2HU4DKGPDB4WR24XF"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SEHS2CFGH3KCSNPHBHNGN5SGV6QPMLZ4"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IZGUR5XFHATVXTRAEJMODS7ROYHA56NX"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KOGP2VIVVXXQ6CZ2HU4DKGPDB4WR24XF"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SEHS2CFGH3KCSNPHBHNGN5SGV6QPMLZ4"},{"url":"https://github.com/advisories/GHSA-66mx-93rr-rg39"},{"url":"https://security.alpinelinux.org/vuln/CVE-2021-27803","tags":["advisory"]},{"url":"https://docs.bell-sw.com/security/cves/CVE-2021-27803","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-27803","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2021-0095.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=28438","tags":["report"]},{"url":"https://www.openwall.com/lists/oss-security/2021/02/27/1","tags":["web"]},{"url":"https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1133","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2021:0808","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#important","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1933361","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_0808.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2021-27803","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-27803","tags":["advisory","report"]},{"url":"https://access.redhat.com/errata/RHSA-2021:0809","tags":["advisory"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_0809.json","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2021:0816","tags":["advisory"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_0816.json","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2021:0818","tags":["advisory"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_0818.json","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20210720-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1182805","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2021-27803","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20210721-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20210745-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-27803","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-4757-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-4757-2","tags":["advisory"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/EN5W6CW6RWRS7CCRSXMP44CTJQY53RIS/","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8041","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-13077","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-13078","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-13079","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-13086","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-14526","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-11555","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-13377","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-16275","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-9494","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-9495","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-9497","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-9499","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-0326","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-30004","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2021-27803","description":"A vulnerability was discovered in how p2p/p2p_pd.c in wpa_supplicant before 2.10 processes P2P (Wi-Fi Direct) provision discovery requests. It could result in denial of service or other impact (potentially execution of arbitrary code), for an attacker within radio range.","status":"published","published":"2021-02-26T22:11:27Z","modified":"2025-12-18T14:57:29.648Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"updated_at":"2026-11-02T14:33:04.679189Z"}],"euvd":[{"id":"EUVD-2021-14544","description":"A vulnerability was discovered in how p2p/p2p_pd.c in wpa_supplicant before 2.10 processes P2P (Wi-Fi Direct) provision discovery requests. It could result in denial of service or other impact (potentially execution of arbitrary code), for an attacker within radio range.","status":"published","published":"2021-02-26T22:11:27Z","modified":"2025-12-18T14:57:29Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:49:03.071772Z"}],"ghsa":[{"id":"GHSA-66mx-93rr-rg39","title":"A vulnerability was discovered in how p2p/p2p_pd.c in wpa_supplicant before 2.10 processes P2P ...","description":"A vulnerability was discovered in how p2p/p2p_pd.c in wpa_supplicant before 2.10 processes P2P (Wi-Fi Direct) provision discovery requests. It could result in denial of service or other impact (potentially execution of arbitrary code), for an attacker within radio range.","status":"published","published":"2022-05-24T17:43:22Z","modified":"2025-12-18T15:31:26Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:05:16.313648Z"}],"nvd":[{"id":"CVE-2021-27803","description":"A vulnerability was discovered in how p2p/p2p_pd.c in wpa_supplicant before 2.10 processes P2P (Wi-Fi Direct) provision discovery requests. It could result in denial of service or other impact (potentially execution of arbitrary code), for an attacker within radio range.","status":"published","published":"2021-02-26T23:15:11.34Z","modified":"2026-06-17T03:45:28.727Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":5.4,"vector":"AV:A/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:50.399901Z"}],"osv":[{"id":"ALPINE-CVE-2021-27803","description":"A vulnerability was discovered in how p2p/p2p_pd.c in wpa_supplicant before 2.10 processes P2P (Wi-Fi Direct) provision discovery requests. It could result in denial of service or other impact (potentially execution of arbitrary code), for an attacker within radio range.","status":"published","published":"2021-02-26T23:15:11.34Z","modified":"2026-10-23T17:17:56.166037677Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:27:48.646074Z"},{"id":"AZL-6973","title":"CVE-2021-27803 affecting package wpa_supplicant for versions less than 2.9-4","description":"A vulnerability was discovered in how p2p/p2p_pd.c in wpa_supplicant before 2.10 processes P2P (Wi-Fi Direct) provision discovery requests. It could result in denial of service or other impact (potentially execution of arbitrary code), for an attacker within radio range.","status":"published","published":"2021-02-26T23:15:11Z","modified":"2026-04-21T04:36:13.924415Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:08.907584Z"},{"id":"BELL-CVE-2021-27803","title":"CVE-2021-27803 does not affect BellSoft software","status":"withdrawn","published":"2023-08-31T12:14:42.513711Z","modified":"2026-01-26T09:46:28.749655Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:15.925958Z"},{"id":"CVE-2021-27803","description":"A vulnerability was discovered in how p2p/p2p_pd.c in wpa_supplicant before 2.10 processes P2P (Wi-Fi Direct) provision discovery requests. It could result in denial of service or other impact (potentially execution of arbitrary code), for an attacker within radio range.","status":"published","published":"2021-02-26T23:15:11.34Z","modified":"2026-04-16T04:30:47.743010967Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:19.129331Z"},{"id":"DEBIAN-CVE-2021-27803","description":"A vulnerability was discovered in how p2p/p2p_pd.c in wpa_supplicant before 2.10 processes P2P (Wi-Fi Direct) provision discovery requests. It could result in denial of service or other impact (potentially execution of arbitrary code), for an attacker within radio range.","status":"published","published":"2021-02-26T23:15:11.34Z","modified":"2026-10-23T18:03:25.80926339Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:34.94143Z"},{"id":"OESA-2021-1133","title":"wpa_supplicant security update","description":"wpa_supplicant is a WPA Supplicant for Linux, BSD, Mac OS X, and Windows with support for WPA and WPA2 (IEEE 802.11i / RSN). It is suitable for both desktop/laptop computers and embedded systems. Supplicant is the IEEE 802.1X/WPA component that is used in the client stations. It implements key negotiation with a WPA Authenticator and it controls the roaming and IEEE 802.11 authentication/association of the wlan driver.\r\n\r\nSecurity Fix(es):\r\n\r\nA vulnerability was discovered in how p2p/p2p_pd.c in wpa_supplicant before 2.10 processes P2P (Wi-Fi Direct) provision discovery requests. It could result in denial of service or other impact (potentially execution of arbitrary code), for an attacker within radio range.(CVE-2021-27803)","status":"published","published":"2021-04-07T11:04:22Z","modified":"2026-08-18T01:15:28.667694611Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:38.987987Z"},{"id":"RHSA-2021:0808","title":"Red Hat Security Advisory: wpa_supplicant security update","status":"published","published":"2024-09-16T05:31:34Z","modified":"2026-06-26T10:53:21Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:08.071325Z"},{"id":"RHSA-2021:0809","title":"Red Hat Security Advisory: wpa_supplicant security update","status":"published","published":"2024-09-16T05:31:42Z","modified":"2025-12-19T10:28:51.899231Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:08.071325Z"},{"id":"RHSA-2021:0816","title":"Red Hat Security Advisory: wpa_supplicant security update","status":"published","published":"2024-09-16T05:31:49Z","modified":"2025-12-19T10:28:52.50646Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:08.071325Z"},{"id":"RHSA-2021:0818","title":"Red Hat Security Advisory: wpa_supplicant security update","status":"published","published":"2024-09-16T05:31:57Z","modified":"2025-12-19T10:28:52.795043Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:08.071325Z"},{"id":"UBUNTU-CVE-2021-27803","description":"A vulnerability was discovered in how p2p/p2p_pd.c in wpa_supplicant before 2.10 processes P2P (Wi-Fi Direct) provision discovery requests. It could result in denial of service or other impact (potentially execution of arbitrary code), for an attacker within radio range.","status":"published","published":"2021-02-26T23:15:00Z","modified":"2026-02-04T02:26:26.849985Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:26.779273Z"},{"id":"DLA-2581-1","title":"wpa - security update","status":"published","published":"2021-03-03T00:00:00Z","modified":"2026-03-09T01:19:23.17419Z","updated_at":"2026-11-02T15:46:10.712745Z"},{"id":"DSA-4898-1","title":"wpa - security update","status":"published","published":"2021-04-22T00:00:00Z","modified":"2026-03-09T02:08:52.273024Z","updated_at":"2026-11-02T15:46:17.19998Z"},{"id":"MGASA-2021-0095","title":"Updated wpa_supplicant packages fix security vulnerability","description":"A vulnerability was discovered in how p2p/p2p_pd.c in wpa_supplicant before\n2.10 processes P2P (Wi-Fi Direct) provision discovery requests. It could result\nin denial of service or other impact (potentially execution of arbitrary code),\nfor an attacker within radio range (CVE-2021-27803).\n","status":"published","published":"2021-03-02T22:33:06Z","modified":"2026-04-16T04:40:36.001059483Z","updated_at":"2026-11-02T15:49:41.509337Z"},{"id":"openSUSE-SU-2021:0404-1","title":"Security update for wpa_supplicant","description":"This update for wpa_supplicant fixes the following issues:\n\n- CVE-2021-27803: Fixed a P2P provision discovery processing vulnerability (bsc#1182805).\n\nThis update was imported from the SUSE:SLE-15:Update update project.","status":"published","published":"2021-03-14T14:07:39Z","modified":"2026-02-04T03:10:11.842705Z","updated_at":"2026-11-02T16:58:31.879684Z"},{"id":"openSUSE-SU-2024:11515-1","title":"wpa_supplicant-2.9-13.4 on GA media","description":"These are all security issues fixed in the wpa_supplicant-2.9-13.4 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:01:24.837626Z","updated_at":"2026-11-02T16:58:35.195147Z"},{"id":"SUSE-SU-2021:0720-1","title":"Security update for wpa_supplicant","description":"This update for wpa_supplicant fixes the following issues:\n\n- CVE-2021-27803: Fixed a P2P provision discovery processing vulnerability (bsc#1182805).\n","status":"published","published":"2021-03-08T14:02:04Z","modified":"2026-02-04T04:37:42.654489Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"SUSE-SU-2021:0721-1","title":"Security update for wpa_supplicant","description":"This update for wpa_supplicant fixes the following issues:\n\n- CVE-2021-27803: Fixed a P2P provision discovery processing vulnerability (bsc#1182805).\n","status":"published","published":"2021-03-08T15:42:11Z","modified":"2026-02-04T02:52:56.774631Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"SUSE-SU-2021:0745-1","title":"Security update for wpa_supplicant","description":"This update for wpa_supplicant fixes the following issues:\n\n- CVE-2021-27803: P2P provision discovery processing vulnerability (bsc#1182805) \n","status":"published","published":"2021-03-09T15:19:10Z","modified":"2026-02-04T03:17:09.523467Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"USN-4757-1","title":"wpa vulnerability","description":"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","status":"published","published":"2021-03-03T11:45:25Z","modified":"2026-02-10T04:42:05Z","updated_at":"2026-11-02T16:58:15.159055Z"},{"id":"USN-4757-2","title":"wpa vulnerability","description":"USN-4757-1 fixed a vulnerability in wpa_supplicant and hostapd. This update\nprovides the corresponding update for Ubuntu 14.04 ESM.\n\nOriginal advisory details:\n\n It was discovered that wpa_supplicant did not properly handle P2P\n (Wi-Fi Direct) provision discovery requests in some situations. A\n physically proximate attacker could use this to cause a denial of service\n or possibly execute arbitrary code.\n","status":"published","published":"2021-03-04T17:54:50Z","modified":"2026-02-10T04:42:05Z","updated_at":"2026-11-02T16:58:15.159055Z"}]}}