|CVSS Meta Temp Score|
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|CTI Interest Score|
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A vulnerability was found in Oracle VM VirtualBox up to 6.1.23 (Virtualization Software). It has been rated as critical. This issue affects an unknown code block of the component Core. Impacted is confidentiality, integrity, and availability. 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 6.1.24. 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 ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle VM VirtualBox as well as unauthorized update, insert or delete access to some of Oracle VM VirtualBox accessible data and unauthorized read access to a subset of Oracle VM VirtualBox accessible data. Note: This vulnerability applies to Solaris x86 and Linux systems only. CVSS 3.1 Base Score 7.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:H).
The weakness was released 07/20/2021 as Oracle Critical Patch Update Advisory - July 2021. The advisory is shared at oracle.com. The identification of this vulnerability is CVE-2021-2443 since 12/09/2020. The exploitation is known to be easy. An attack has to be approached locally. The exploitation needs additional levels of successful authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/25/2021).
Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
CVSSv3VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
NVD Base Score: 🔒
Status: Not defined
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Current Price Estimation: 🔒
Threat IntelligenceInterest: 🔍
Active Actors: 🔍
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Reaction Time: 🔒
0-Day Time: 🔒
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Timeline12/09/2020 CVE assigned
07/20/2021 +222 days Advisory disclosed
07/20/2021 +0 days Countermeasure disclosed
07/21/2021 +1 days VulDB entry created
07/25/2021 +4 days VulDB last update
Advisory: Oracle Critical Patch Update Advisory - July 2021
CVE: CVE-2021-2443 (🔒)
EntryCreated: 07/21/2021 10:38 AM
Updated: 07/25/2021 08:18 PM
Changes: (8) 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 source_cve_cna
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