CVE-2021-2120
Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The...
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 access to critical data or complete access to all Oracle VM VirtualBox accessible data. CVSS 3.1 Base Score 6.0 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N).
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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 access to critical data or complete access to all Oracle VM VirtualBox accessible data. CVSS 3.1 Base Score 6.0 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N).
- Record
CVE-2021-2120- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N - Updated
- 2026-11-02
EUVDEUVD-2021-16579
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 access to critical data or complete access to all Oracle VM VirtualBox accessible data. CVSS 3.1 Base Score 6.0 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N).
- Record
EUVD-2021-16579- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h87m-6vhv-vpjc No score
Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The...
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 access to critical data or complete access to all Oracle VM VirtualBox accessible data. CVSS 3.1 Base Score 6.0 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N).
- Record
GHSA-h87m-6vhv-vpjc- Updated
- 2026-11-02
NVD
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 access to critical data or complete access to all Oracle VM VirtualBox accessible data. CVSS 3.1 Base Score 6.0 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N).
- Record
CVE-2021-2120- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-2120
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 access to critical data or complete access to all Oracle VM VirtualBox accessible data. CVSS 3.1 Base Score 6.0 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N).
- Record
UBUNTU-CVE-2021-2120- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
virtualboxUbuntu:16.04:LTS |
All versions, plus listed versions 5.0.4-dfsg-25.0.8-dfsg-15.0.10-dfsg-15.0.10-dfsg-25.0.10-dfsg-3 Show 25 moreShow less5.0.10-dfsg-45.0.10-dfsg-55.0.10-dfsg-65.0.10-dfsg-75.0.12-dfsg-15.0.12-dfsg-25.0.14-dfsg-15.0.14-dfsg-25.0.14-dfsg-2build15.0.16-dfsg-25.0.16-dfsg-35.0.18-dfsg-15.0.18-dfsg-1ubuntu15.0.18-dfsg-25.0.18-dfsg-2build15.0.18-dfsg-2ubuntu15.0.24-dfsg-0ubuntu1.16.04.15.0.32-dfsg-0ubuntu1.16.04.25.0.36-dfsg-0ubuntu1.16.04.25.0.40-dfsg-0ubuntu1.16.04.15.0.40-dfsg-0ubuntu1.16.04.25.1.34-dfsg-0ubuntu1.16.04.25.1.38-dfsg-0ubuntu1.16.04.15.1.38-dfsg-0ubuntu1.16.04.25.1.38-dfsg-0ubuntu1.16.04.3 |
None known |
virtualboxUbuntu:18.04:LTS |
All versions, plus listed versions 5.1.30-dfsg-15.2.0-dfsg-1build25.2.0-dfsg-25.2.0-dfsg-45.2.0-dfsg-5 Show 26 moreShow less5.2.2-dfsg-25.2.2-dfsg-3~build15.2.2-dfsg-35.2.4-dfsg-15.2.4-dfsg-25.2.6-dfsg-15.2.6-dfsg-25.2.6-dfsg-35.2.6-dfsg-3build15.2.6-dfsg-55.2.8-dfsg-25.2.8-dfsg-35.2.8-dfsg-55.2.8-dfsg-65.2.8-dfsg-75.2.10-dfsg-15.2.10-dfsg-25.2.10-dfsg-55.2.10-dfsg-65.2.10-dfsg-6ubuntu18.04.15.2.18-dfsg-2~ubuntu18.04.15.2.18-dfsg-2~ubuntu18.04.35.2.18-dfsg-2~ubuntu18.04.55.2.32-dfsg-0~ubuntu18.04.15.2.34-dfsg-0~ubuntu18.04.15.2.42-dfsg-0~ubuntu1.18.04.1 |
None known |
virtualboxUbuntu:20.04:LTS |
All versions, plus listed versions 6.0.14-dfsg-16.0.14-dfsg-2~build16.0.14-dfsg-26.1.0-dfsg-3build16.1.0-dfsg-3build2 Show 18 moreShow less6.1.2-dfsg-16.1.2-dfsg-1build16.1.4-dfsg-16.1.4-dfsg-2~build16.1.4-dfsg-26.1.4-dfsg-46.1.6-dfsg-16.1.10-dfsg-1~ubuntu1.20.04.16.1.16-dfsg-6~ubuntu1.20.04.16.1.16-dfsg-6~ubuntu1.20.04.26.1.22-dfsg-2~ubuntu1.20.04.16.1.26-dfsg-3~ubuntu1.20.04.16.1.26-dfsg-3~ubuntu1.20.04.26.1.32-dfsg-1~ubuntu1.20.04.16.1.34-dfsg-3~ubuntu1.20.04.16.1.38-dfsg-3~ubuntu1.20.04.16.1.48-dfsg-1~ubuntu1.20.04.16.1.50-dfsg-1~ubuntu1.20.04.1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-2120 is a medium vulnerability (CVSS 6.0) in Oracle Vm Virtualbox, published January 20, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.50%, the 43rd percentile. No source names a fixed version.