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CVE-2021-2126: Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.18. Easily exploitable vulnerability allows high...
CVE-2021-2126 · published 5 years ago
Summary
Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.18. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise...
What to do
- Update oracle vm_virtualbox to version 6.1.18 or later.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| oracle | vm_virtualbox |
< 6.1.18 cpe:2.3:a:oracle:vm_virtualbox:*:*:*:*:*:*:*:* |
Original advisory text
Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.18. Easily exploitable vulnerability allows high...
Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.18. Easily exploitable 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 unauthorized creation, deletion or modification access to critical data or all Oracle VM VirtualBox accessible data. CVSS 3.1 Base Score 6.0 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N).
References
- https://security.gentoo.org/glsa/202101-15 Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2021.html Vendor Advisory
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker partial control
Timeline
Published20 Jan 2021
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2021-2126 · NVD
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