{"id":"CVE-2021-2074","aliases":["EUVD-2021-16533","GHSA-858g-9g73-qcmg","UBUNTU-CVE-2021-2074","openSUSE-SU-2021:0165-1","openSUSE-SU-2021:0630-1","openSUSE-SU-2024:11501-1"],"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 6.1.18. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 8.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00499,"percentile":0.431,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-01-20T14:50:08Z","modified":"2026-06-17T03:48:44Z","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":"openSUSE:Leap 15.2","package":"virtualbox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.18-lp152.2.11.1"}]}],"bundled":2},{"source":"osv","ecosystem":"openSUSE:Leap 15.2","package":"virtualbox-kmp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.18-lp152.2.11.1"}]}],"bundled":2},{"source":"osv","ecosystem":"openSUSE:Leap 15.2","package":"virtualbox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.20-lp152.2.21.1"}]}],"bundled":3},{"source":"osv","ecosystem":"openSUSE:Leap 15.2","package":"virtualbox-kmp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.20-lp152.2.21.1"}]}],"bundled":3},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"virtualbox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.26-3.2"}]}],"bundled":43}],"products":[{"vendor":"oracle","product":"vm_virtualbox"},{"vendor":"oracle corporation","product":"vm virtualbox"}],"references":[{"url":"https://www.oracle.com/security-alerts/cpujan2021.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","report"]},{"url":"https://security.gentoo.org/glsa/202101-15","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-2074"},{"url":"https://github.com/advisories/GHSA-858g-9g73-qcmg"},{"url":"https://ubuntu.com/security/CVE-2021-2074","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-2074","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/UOZDUDAVWBPMEHQXT2I4NXOMGVCWB5BM/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1181197","tags":["report"]},{"url":"https://bugzilla.suse.com/1181198","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2074","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2129","tags":["web"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/2RTNW7ZRCP2VD6YMPAHFC7MY4YIB5GTL/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1183125","tags":["report"]},{"url":"https://bugzilla.suse.com/1183329","tags":["report"]},{"url":"https://bugzilla.suse.com/1184542","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2264","tags":["web"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2017-10392","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-3316","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-3559","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-3561","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-0732","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-0739","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-11763","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-11784","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-2689","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-2694","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-2842","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-3005","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-3087","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-3288","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-3294","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-2450","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-2500","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-2501","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-2521","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-2656","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-2678","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-2722","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-2848","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-2859","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-2926","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-2984","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-3028","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14628","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14673","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14677","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14700","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14703","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14713","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14715","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-2674","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-2681","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-2704","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2145","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2281","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2287","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-2310","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2021-2074","description":"Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.18. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 8.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).","status":"published","published":"2021-01-20T14:50:08Z","modified":"2024-09-26T18:20:58.66Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:03.671751Z"}],"euvd":[{"id":"EUVD-2021-16533","description":"Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.18. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 8.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).","status":"published","published":"2021-01-20T14:50:08Z","modified":"2024-09-26T18:20:58Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:28:08.0832Z"}],"ghsa":[{"id":"GHSA-858g-9g73-qcmg","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 6.1.18. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 8.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).","status":"published","published":"2022-05-24T17:39:51Z","modified":"2023-01-29T05:05:28Z","updated_at":"2026-11-02T14:45:47.837276Z"}],"nvd":[{"id":"CVE-2021-2074","description":"Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.18. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 8.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).","status":"published","published":"2021-01-20T15:15:50.33Z","modified":"2026-06-17T03:48:44.677Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:49.284888Z"}],"osv":[{"id":"UBUNTU-CVE-2021-2074","description":"Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.18. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 8.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).","status":"published","published":"2021-01-20T15:15:00Z","modified":"2025-10-24T04:49:08Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:26.29421Z"},{"id":"openSUSE-SU-2021:0165-1","title":"Security update for virtualbox","description":"This update for virtualbox fixes the following issues:\n\nVersion update to 6.1.18 (released January 19 2021)\n\nThis is a maintenance release. The following items were fixed and/or added:\n\n- Nested VM: Fixed hangs when executing SMP nested-guests under certain conditions on Intel hosts (bug #19315, #19561)\n- OCI integration: Cloud Instance parameters parsing is improved on import (bug #19156)\n- Network: UDP checksum offloading in e1000 no longer produces zero checksums (bug #19930)\n- Network: Fixed Host-Only Ethernet Adapter DHCP, guest os can not get IP on host resume (bug #19620)\n- NAT: Fixed mss parameter handing (bug #15256)\n- macOS host: Multiple optimizations for BigSur\n- Audio: Fixed issues with audio playback after host goes to sleep (bug #18594)\n- Documentation: Some content touch-up and table formatting fixes\n- Linux host and guest: Support kernel version 5.10 (bug #20055)\n- Solaris host: Fix regression breaking VGA text mode since version 6.1.0\n- Guest Additions: Fixed a build failure affecting CentOS 8.2-2004 and later (bug #20091)\n- Guest Additions: Fixed a build failure affecting Linux kernels 3.2.0 through 3.2.50 (bug #20006)\n- Guest Additions: Fixed a VM segfault on copy with shared clipboard with X11 (bug #19226)\n- Shared Folder: Fixed error with remounting on Linux guests\n \n- Fixes CVE-2021-2074, boo#1181197 and CVE-2021-2129, boo#1181198.\n\n- Disable build of guest modules. These are included in recent kernels\n- Fix additional mouse control dialog issues.\n","status":"published","published":"2021-01-25T19:01:06Z","modified":"2026-02-04T04:29:49.83078Z","updated_at":"2026-11-02T16:58:31.879684Z"},{"id":"openSUSE-SU-2021:0630-1","title":"Security update for virtualbox","description":"This update for virtualbox fixes the following issues:\n\n- Version bump to 6.1.20 (released April 20 2021 by Oracle)\n  Fixes boo#1183329 'virtualbox 6.1.18 crashes when it runs nested VM'\n  Fixes boo#1183125 'Leap 15.3 installation in Virtualbox without VBox integration'\n  Fixes CVE-2021-2264 and boo#1184542. The directory for the \u003cuser\u003e.start files for\n  autostarting VMs is moved from /etc/vbox to /etc/vbox/autostart.d. In addition, the autostart\n  service is hardened (by Oracle).\n-  change the modalias for guest-tools and guest-x11 to get them to autoinstall.\n- Own %{_sysconfdir}/X11/xinit/xinitrc.d as default packages (eg \n  systemd) no longer do so, breaking package build.\n- Update fixes_for_leap15.3 for kernel API changes between 5.3.18-45 and 5.3.18-47.\n- update-extpack.sh: explicitly use https:// protocol for authenticity. The\n  http:// URL is currently redirected to https:// but don't rely on this.\n- Add code to generate guest modules for Leap 15.2 and Leap 15.3. The kernel versions\n  do not allow window resizing. Files 'virtualbox-kmp-files-leap' and\n  'vboxguestconfig.sh' are added\n- Fixes CVE-2021-2074, boo#1181197 and CVE-2021-2129, boo#1181198.\n- Under some circumstances, shared folders are mounted as root. \n","status":"published","published":"2021-04-30T19:22:36Z","modified":"2026-02-04T04:10:45.398743Z","updated_at":"2026-11-02T16:58:31.879684Z"},{"id":"openSUSE-SU-2024:11501-1","title":"python3-virtualbox-6.1.26-3.2 on GA media","description":"These are all security issues fixed in the python3-virtualbox-6.1.26-3.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:54:38.601473Z","updated_at":"2026-11-02T16:58:35.195147Z"}]}}