{"id":"CVE-2021-2312","aliases":["EUVD-2021-16771","GHSA-g3fx-qqcr-xfh6","UBUNTU-CVE-2021-2312","openSUSE-SU-2021:0723-1","openSUSE-SU-2021:0977-1"],"status":"published","title":"Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The...","description":"Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.20. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle VM VirtualBox. Note: This vulnerability applies to Windows systems only. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).","severity":{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00326,"percentile":0.25914,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-04-22T21:54:02Z","modified":"2026-06-17T03:49:15Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"virtualbox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.0.4-dfsg-2","5.0.8-dfsg-1","5.0.10-dfsg-1","5.0.10-dfsg-2","5.0.10-dfsg-3","5.0.10-dfsg-4","5.0.10-dfsg-5","5.0.10-dfsg-6","5.0.10-dfsg-7","5.0.12-dfsg-1","5.0.12-dfsg-2","5.0.14-dfsg-1","5.0.14-dfsg-2","5.0.14-dfsg-2build1","5.0.16-dfsg-2","5.0.16-dfsg-3","5.0.18-dfsg-1","5.0.18-dfsg-1ubuntu1","5.0.18-dfsg-2","5.0.18-dfsg-2build1","5.0.18-dfsg-2ubuntu1","5.0.24-dfsg-0ubuntu1.16.04.1","5.0.32-dfsg-0ubuntu1.16.04.2","5.0.36-dfsg-0ubuntu1.16.04.2","5.0.40-dfsg-0ubuntu1.16.04.1","5.0.40-dfsg-0ubuntu1.16.04.2","5.1.34-dfsg-0ubuntu1.16.04.2","5.1.38-dfsg-0ubuntu1.16.04.1","5.1.38-dfsg-0ubuntu1.16.04.2","5.1.38-dfsg-0ubuntu1.16.04.3"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"virtualbox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.1.30-dfsg-1","5.2.0-dfsg-1build2","5.2.0-dfsg-2","5.2.0-dfsg-4","5.2.0-dfsg-5","5.2.2-dfsg-2","5.2.2-dfsg-3~build1","5.2.2-dfsg-3","5.2.4-dfsg-1","5.2.4-dfsg-2","5.2.6-dfsg-1","5.2.6-dfsg-2","5.2.6-dfsg-3","5.2.6-dfsg-3build1","5.2.6-dfsg-5","5.2.8-dfsg-2","5.2.8-dfsg-3","5.2.8-dfsg-5","5.2.8-dfsg-6","5.2.8-dfsg-7","5.2.10-dfsg-1","5.2.10-dfsg-2","5.2.10-dfsg-5","5.2.10-dfsg-6","5.2.10-dfsg-6ubuntu18.04.1","5.2.18-dfsg-2~ubuntu18.04.1","5.2.18-dfsg-2~ubuntu18.04.3","5.2.18-dfsg-2~ubuntu18.04.5","5.2.32-dfsg-0~ubuntu18.04.1","5.2.34-dfsg-0~ubuntu18.04.1","5.2.42-dfsg-0~ubuntu1.18.04.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"virtualbox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.0.14-dfsg-1","6.0.14-dfsg-2~build1","6.0.14-dfsg-2","6.1.0-dfsg-3build1","6.1.0-dfsg-3build2","6.1.2-dfsg-1","6.1.2-dfsg-1build1","6.1.4-dfsg-1","6.1.4-dfsg-2~build1","6.1.4-dfsg-2","6.1.4-dfsg-4","6.1.6-dfsg-1","6.1.10-dfsg-1~ubuntu1.20.04.1","6.1.16-dfsg-6~ubuntu1.20.04.1","6.1.16-dfsg-6~ubuntu1.20.04.2","6.1.22-dfsg-2~ubuntu1.20.04.1","6.1.26-dfsg-3~ubuntu1.20.04.1","6.1.26-dfsg-3~ubuntu1.20.04.2","6.1.32-dfsg-1~ubuntu1.20.04.1","6.1.34-dfsg-3~ubuntu1.20.04.1","6.1.38-dfsg-3~ubuntu1.20.04.1","6.1.48-dfsg-1~ubuntu1.20.04.1","6.1.50-dfsg-1~ubuntu1.20.04.1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"virtualbox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.1.26-dfsg-4","6.1.28-dfsg-1","6.1.30-dfsg-1","6.1.32-dfsg-1","6.1.32-dfsg-1build1","6.1.34-dfsg-3~ubuntu1.22.04.1","6.1.38-dfsg-3~ubuntu1.22.04.1","6.1.48-dfsg-1~ubuntu1.22.04.1","6.1.50-dfsg-1~ubuntu1.22.04.1","6.1.50-dfsg-1~ubuntu1.22.04.3"]},{"source":"osv","ecosystem":"openSUSE:Leap 15.2","package":"virtualbox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.22-lp152.2.24.2"}]}],"bundled":21},{"source":"osv","ecosystem":"openSUSE:Leap 15.2","package":"virtualbox-kmp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.22-lp152.2.24.2"}]}],"bundled":21},{"source":"osv","ecosystem":"openSUSE:Leap 15.3","package":"virtualbox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.22-lp153.2.3.2"}]}],"bundled":21},{"source":"osv","ecosystem":"openSUSE:Leap 15.3","package":"virtualbox-kmp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.22-lp153.2.3.2"}]}],"bundled":21}],"products":[{"vendor":"oracle","product":"vm_virtualbox"},{"vendor":"oracle corporation","product":"vm virtualbox"}],"references":[{"url":"https://www.oracle.com/security-alerts/cpuapr2021.html","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","report"]},{"url":"https://security.gentoo.org/glsa/202208-36","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-2312"},{"url":"https://github.com/advisories/GHSA-g3fx-qqcr-xfh6"},{"url":"https://ubuntu.com/security/CVE-2021-2312","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-2312","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/H2VYFQN75RCOBQFQCIU4LU7E32CGO4SK/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1182918","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2145","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2250","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2264","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2266","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2279","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2280","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2281","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2282","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2283","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2284","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2285","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2286","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2287","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2291","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2296","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2297","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2306","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2309","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2310","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2312","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-25319","tags":["web"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/ATNJPOC23AR5PQLUDKUL5FXOOPOM3VDD/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1186361","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-2312","description":"Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.20. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle VM VirtualBox. Note: This vulnerability applies to Windows systems only. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).","status":"published","published":"2021-04-22T21:54:02Z","modified":"2024-09-26T14:09:32.995Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:03.320536Z"}],"euvd":[{"id":"EUVD-2021-16771","description":"Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.20. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle VM VirtualBox. Note: This vulnerability applies to Windows systems only. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).","status":"published","published":"2021-04-22T21:54:02Z","modified":"2024-09-26T14:09:32Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:28:09.922822Z"}],"ghsa":[{"id":"GHSA-g3fx-qqcr-xfh6","title":"Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The...","description":"Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.20. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle VM VirtualBox. Note: This vulnerability applies to Windows systems only. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).","status":"published","published":"2022-05-24T17:48:39Z","modified":"2023-01-29T05:06:29Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T14:46:02.46151Z"}],"nvd":[{"id":"CVE-2021-2312","description":"Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.20. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle VM VirtualBox. Note: This vulnerability applies to Windows systems only. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).","status":"published","published":"2021-04-22T22:15:17.497Z","modified":"2026-06-17T03:49:15.333Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:06:52.03307Z"}],"osv":[{"id":"UBUNTU-CVE-2021-2312","description":"Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.20. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle VM VirtualBox. Note: This vulnerability applies to Windows systems only. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).","status":"published","published":"2021-04-22T22:15:00Z","modified":"2025-10-24T04:49:09Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:26.779273Z"},{"id":"openSUSE-SU-2021:0723-1","title":"Security update for virtualbox","description":"This update for virtualbox fixes the following issues:\n\nvirtualbox was updated to 6.1.22 (released April 29 2021 by Oracle)\n\nThis is a maintenance release. The following items were fixed and/or added:\n\n- VMM: Improved performance of 64-bit Windows and Solaris guests when Hyper-V is used on recent Windows 10 hosts\n- VMM: Fixed frequent crashes of 64-bit Windows Vista and Server 2003 guests when Hyper-V is used\n- GUI: Fixed regression where user was not able to save unset default shortcuts (bug #20305)\n- Storage: Fixed regression in LsiLogic SAS controller emulation caused VM crash (bug #20323)\n- Linux Guest Additions: Fixed issue when it was not possible to run executables from mounted share (bug #20320)\n- Fixes for CVE-2021-2145 CVE-2021-2250 CVE-2021-2264 CVE-2021-2266 CVE-2021-2279 CVE-2021-2280\n            CVE-2021-2281 CVE-2021-2282 CVE-2021-2283 CVE-2021-2284 CVE-2021-2285 CVE-2021-2286\n            CVE-2021-2287 CVE-2021-2291 CVE-2021-2296 CVE-2021-2297 CVE-2021-2306 CVE-2021-2309\n            CVE-2021-2310 CVE-2021-2312\n\n- Version bump to (released April 20 2021 by Oracle)\n  File 'virtualbox-kmp-files-leap' is deleted.\n- Use distconfdir for xinitrc.d files on TW\n\n- Improve autostart security boo#1182918. ","status":"published","published":"2021-10-09T08:28:18Z","modified":"2025-05-07T18:12:26.877368Z","updated_at":"2026-11-02T16:58:31.879684Z"},{"id":"openSUSE-SU-2021:0977-1","title":"Security update for virtualbox","description":"This update for virtualbox fixes the following issues:\n\n- Update vboxdrv.sh per boo#1186361\n\nVersion bump to 6.1.22 (released April 29 2021 by Oracle)\n\n- This is a maintenance release. The following items were fixed and/or added:\n- VMM: Improved performance of 64-bit Windows and Solaris guests when Hyper-V is used on recent Windows 10 hosts\n- VMM: Fixed frequent crashes of 64-bit Windows Vista and Server 2003 guests when Hyper-V is used\n- GUI: Fixed regression where user was not able to save unset default shortcuts (bug #20305)\n- Storage: Fixed regression in LsiLogic SAS controller emulation caused VM crash (bug #20323)\n- Linux Guest Additions: Fixed issue when it was not possible to run executables from mounted share (bug #20320)\n- Fixes for CVE-2021-2145 CVE-2021-2250 CVE-2021-2264 CVE-2021-2266 CVE-2021-2279 CVE-2021-2280\n            CVE-2021-2281 CVE-2021-2282 CVE-2021-2283 CVE-2021-2284 CVE-2021-2285 CVE-2021-2286\n            CVE-2021-2287 CVE-2021-2291 CVE-2021-2296 CVE-2021-2297 CVE-2021-2306 CVE-2021-2309\n            CVE-2021-2310 CVE-2021-2312\n\n- Improve autostart security boo#1182918. ","status":"published","published":"2021-10-09T08:34:52Z","modified":"2026-02-04T03:02:06.455971Z","updated_at":"2026-11-02T16:58:31.879684Z"}]}}