|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 (≈)|
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
|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.
A vulnerability, which was classified as critical, was found in Oracle VM VirtualBox up to 6.1.27 (Virtualization Software). Affected is an unknown function. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. This is going to have an impact on availability. CVE summarizes:
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).
The weakness was disclosed 10/19/2021 as Oracle Critical Patch Update Advisory - October 2021. The advisory is shared for download at oracle.com. This vulnerability is traded as CVE-2021-35542 since 06/28/2021. The exploitability is told to be easy. The attack needs to be approached locally. Additional levels of successful authentication are required for exploitation. There are neither technical details nor an exploit publicly available.
Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
CVSSv3VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3
VulDB Base Score: 4.4
VulDB Temp Score: 4.2
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 4.4
CNA Vector (Oracle): 🔒
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
NVD Base Score: 🔒
ExploitingClass: Denial of service
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
Threat IntelligenceInterest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍
Reaction Time: 🔒
0-Day Time: 🔒
Exposure Time: 🔒
Timeline06/28/2021 CVE reserved
10/19/2021 +113 days Advisory disclosed
10/19/2021 +0 days Countermeasure disclosed
10/20/2021 +1 days VulDB entry created
10/27/2021 +7 days VulDB last update
Advisory: Oracle Critical Patch Update Advisory - October 2021
CVE: CVE-2021-35542 (🔒)
EntryCreated: 10/20/2021 08:11 AM
Updated: 10/27/2021 01:28 PM
Changes: (18) 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 vulnerability_cvss3_meta_tempscore source_cve_cna vulnerability_cvss3_cna_basescore vulnerability_cvss3_cna_av vulnerability_cvss3_cna_ac vulnerability_cvss3_cna_pr vulnerability_cvss3_cna_ui vulnerability_cvss3_cna_s vulnerability_cvss3_cna_c vulnerability_cvss3_cna_i vulnerability_cvss3_cna_a
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