Oracle VM VirtualBox up to 6.1.19 Core information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.7$0-$5k0.00

A vulnerability has been found in Oracle VM VirtualBox up to 6.1.19 (Virtualization Software) and classified as critical. Affected by this vulnerability is an unknown functionality of the component Core. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. As an impact it is known to affect confidentiality. The summary by CVE is:

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 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).

The weakness was presented 04/21/2021 as Oracle Critical Patch Update Advisory - April 2021. The advisory is shared at oracle.com. This vulnerability is known as CVE-2021-2266 since 12/09/2020. The exploitation appears to be easy. An attack has to be approached locally. Additional levels of successful authentication are necessary for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

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VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.0
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2infoedit

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Exploitinginfoedit

Class: Information disclosure
CWE: CWE-200
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined
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Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Interest: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

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Upgrade: oracle.com

Timelineinfoedit

12/09/2020 🔍
04/21/2021 +132 days 🔍
04/21/2021 +0 days 🔍
04/23/2021 +2 days 🔍
04/29/2021 +6 days 🔍

Sourcesinfoedit

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - April 2021
Status: Confirmed

CVE: CVE-2021-2266 (🔍)

Entryinfoedit

Created: 04/23/2021 06:40 AM
Updated: 04/29/2021 07:49 AM
Changes: (7) vulnerability_cvss2_nvd_basescore vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai
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