What’s Vulnerable › Vulnerabilities

CVE-2021-35542

• Severity: medium (CVSS 4.9 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-10-20 · updated 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 6.1.28. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle VM VirtualBox. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Affected products

• Oracle Corporation VM VirtualBox: before 6.1.28 — fixed in 6.1.28

How to fix

Upgrade to a fixed version: Oracle Corporation VM VirtualBox 6.1.28. Check the vendor advisory for mitigations.

References

• https://security.gentoo.org/glsa/202208-36
• https://www.oracle.com/security-alerts/cpuoct2021.html
• https://security.gentoo.org/glsa/202208-36
• https://www.oracle.com/security-alerts/cpuoct2021.html

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