CVE-2021-2279

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 unauthenticated attacker with network access via RDP to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/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-21-453/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-21-453/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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