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 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).

Affected

Oracle Corporation · VM VirtualBox

CVSS v3.1 NVD

7.8 HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS

0.67% chance of exploitation in the next 30 days, 51st percentile

Published

2023-04-18

Updated

2024-09-16

Proof-of-concept exploits (2)

• chunzhennn/cve-2023-21987-poc1★ · 2024-10-21
• winmin/awesome-vm-escape617★ · 2026-03-18

Security advisories

• https://www.oracle.com/security-alerts/cpuapr2023.html

References

• CVE Record
• NVD entry

Related

• CVE-2020-8597
• CVE-2021-3560
• CVE-2023-21991
• CVE-2025-21333
• CVE-2025-22224
• CVE-2025-48822