{"id":"CVE-2023-21899","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-21899","generatedAt":"2026-10-27T21:09:55.834Z","title":"Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core).","description":"Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core).  Supported versions that are affected are Prior to 6.1.42 and  prior to 7.0.6. Easily exploitable vulnerability allows low 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: Applies to VirtualBox VMs running Windows 7 and later. CVSS 3.1 Base Score 5.5 (Availability impacts).  CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).","published":"2023-01-18T00:15:17.000Z","lastModified":"2026-06-17T05:34:18.000Z","status":"Modified","sourceIdentifier":"secalert_us@oracle.com","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":[],"affected":["oracle/vm virtualbox"],"epss":{"score":0.00334,"percentile":0.26517,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.33%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://security.gentoo.org/glsa/202310-07","source":"secalert_us@oracle.com"},{"url":"https://www.oracle.com/security-alerts/cpujan2023.html","tags":["Patch","Vendor Advisory"],"source":"secalert_us@oracle.com"},{"url":"https://security.gentoo.org/glsa/202310-07","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpujan2023.html","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-21899","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}