CVE-2023-21987
Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Supported versions that are affected are Prior to 6.1.44 and...
- Published
- Apr 18, 2023
- Updated
- Sep 16, 2024
- Assigning CNA
- oracle
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:HLow · next 30 days
- Percentile
- 50.2%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Supported versions that are affected are Prior to 6.1.44 and Prior to 7.0.8. Difficult to exploit vulnerability allows low 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 (scope change). Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 7.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H).
Sources
2Proof-of-concept exploit for Oracle VirtualBox VGA out-of-bounds read vulnerability, demonstrating address leaking from VirtualBox components on Linux guest with Windows host.
Proof-of-concept exploit for CVE-2023-21987 and CVE-2023-21991 vulnerabilities, demonstrating exploitation techniques for security research and testing.
Responsible use
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