Vulnerability · Published Jan 17, 2023 · Assigned by oracle

CVE-2023-21886

High 8.1

In plain English

A high-severity code injection in VM VirtualBox from Oracle Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)1.2%top 30.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Supported versions that are affected are Prior to 6.1.42 and prior to 7.0.6. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols 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).

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Ubuntu:22.04:LTS	virtualbox	no fix listed	UBUNTU-CVE-2023-21886
Ubuntu:24.04:LTS	virtualbox	no fix listed	UBUNTU-CVE-2023-21886
Ubuntu:25.10	virtualbox	no fix listed	UBUNTU-CVE-2023-21886
Ubuntu:26.04:LTS	virtualbox	no fix listed	UBUNTU-CVE-2023-21886
Ubuntu:26.10	virtualbox	no fix listed	UBUNTU-CVE-2023-21886

Affected products (as reported)

Vendor	Product	Versions
Oracle Corporation	VM VirtualBox	* – before 6.1.42* – before 7.0.6

Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Oracle Advisory vendor-advisory
https://security.gentoo.org/glsa/202310-07