CVE-2021-2145

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.20. Difficult to exploit 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 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H).

• https://security.gentoo.org/glsa/202208-36Third Party Advisory
• https://www.oracle.com/security-alerts/cpuapr2021.htmlPatch, Vendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-21-455/Third Party Advisory, VDB Entry
• https://security.gentoo.org/glsa/202208-36Third Party Advisory
• https://www.oracle.com/security-alerts/cpuapr2021.htmlPatch, Vendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-21-455/Third Party Advisory, VDB Entry

Published

Apr 22, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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