How severe is CVE-2021-2285?

CVE-2021-2285 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-2285 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-2285?

CVE-2021-2285 affects Oracle Vm Virtualbox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-2285?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-2285 published?

CVE-2021-2285 was published on 2021-04-22 and last updated on 2026-06-17.

CVE-2021-2285

CVE-2021-2285 is a high-severity vulnerability in Oracle Vm Virtualbox with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v2: 2.1
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oracle Vm Virtualbox
Published: 2021-04-22
Last modified: 2026-06-17

Description

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.20. Easily exploitable vulnerability allows unauthenticated 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 7.1 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N).

Frequently asked questions

What is CVE-2021-2285?: Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.20. Easily exploitable vulnerability allows unauthenticated 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 7.1 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N).
How severe is CVE-2021-2285?: CVE-2021-2285 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-2285 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-2285?: CVE-2021-2285 affects Oracle Vm Virtualbox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-2285?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-2285 published?: CVE-2021-2285 was published on 2021-04-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:oracle:vm_virtualbox:*:*:*:*:*:*:*:*

More vulnerabilities in Oracle Vm Virtualbox

CVE-2015-8104 — Critical (CVSS 10.0): The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a…
CVE-2015-0235 — Critical (CVSS 10.0): Heap-based buffer overflow in the __nss_hostname_digits_dots function in glibc 2.2, and other 2.x versions before 2.18,…
CVE-2019-2725 — Critical (CVSS 9.8): Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: Web Services).…
CVE-2016-5605 — Critical (CVSS 9.1): Unspecified vulnerability in the Oracle VM VirtualBox component before 5.1.4 in Oracle Virtualization allows remote…
CVE-2018-3294 — Critical (CVSS 9.0): Vulnerability in the Oracle VM VirtualBox component of Oracle Virtualization (subcomponent: Core). The supported…
CVE-2024-21115 — High (CVSS 8.8): Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Supported versions that…

All CVEs affecting Oracle Vm Virtualbox →