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Vulnerability details: VCID-e56x-6vc2-4qgk
Vulnerability ID VCID-e56x-6vc2-4qgk
Aliases CVE-2021-2443
Summary Multiple vulnerabilities have been discovered in Oracle Virtualbox, the worst of which could result in root privilege escalation.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.00053 https://api.first.org/data/v1/epss?cve=CVE-2021-2443
epss 0.00053 https://api.first.org/data/v1/epss?cve=CVE-2021-2443
epss 0.00053 https://api.first.org/data/v1/epss?cve=CVE-2021-2443
epss 0.00053 https://api.first.org/data/v1/epss?cve=CVE-2021-2443
epss 0.00053 https://api.first.org/data/v1/epss?cve=CVE-2021-2443
epss 0.00053 https://api.first.org/data/v1/epss?cve=CVE-2021-2443
epss 0.00053 https://api.first.org/data/v1/epss?cve=CVE-2021-2443
epss 0.00053 https://api.first.org/data/v1/epss?cve=CVE-2021-2443
epss 0.00053 https://api.first.org/data/v1/epss?cve=CVE-2021-2443
epss 0.00053 https://api.first.org/data/v1/epss?cve=CVE-2021-2443
archlinux High https://security.archlinux.org/AVG-2187
cvssv3.1 7.3 https://security.gentoo.org/glsa/202208-36
ssvc Track https://security.gentoo.org/glsa/202208-36
cvssv3.1 7.3 https://www.oracle.com/security-alerts/cpujul2021.html
ssvc Track https://www.oracle.com/security-alerts/cpujul2021.html
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-2443
ASA-202107-52 https://security.archlinux.org/ASA-202107-52
AVG-2187 https://security.archlinux.org/AVG-2187
GLSA-202208-36 https://security.gentoo.org/glsa/202208-36
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:H Found at https://security.gentoo.org/glsa/202208-36
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-25T19:15:25Z/ Found at https://security.gentoo.org/glsa/202208-36
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:H Found at https://www.oracle.com/security-alerts/cpujul2021.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-25T19:15:25Z/ Found at https://www.oracle.com/security-alerts/cpujul2021.html
Exploit Prediction Scoring System (EPSS)
Percentile 0.16402
EPSS Score 0.00053
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:02:13.573814+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/202208-36 38.0.0