Security readout for executives and security teams
Plain-English summary
CVE-2022-21554 is an Oracle VM VirtualBox Core vulnerability affecting supported versions prior to 6.1.36. A highly privileged local user on infrastructure running VirtualBox could cause the product to hang or crash repeatedly, creating a complete denial of service for VirtualBox availability.
Executive priority
Treat this as a contained availability risk, not a broad data-theft issue. Patch during normal maintenance unless VirtualBox supports critical operations or untrusted privileged users share the host.
Technical view
The issue is locally exploitable with low attack complexity, no user interaction, and high privileges required. The documented impact is availability only: no confidentiality or integrity impact is listed. Oracle assigns CVSS 3.1 score 4.4 with vector AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
Likely exposure
Exposure is limited to environments running Oracle VM VirtualBox versions prior to 6.1.36, especially shared virtualization hosts, build systems, lab environments, or desktops where privileged local users can access the host.
Exploitation context
The source bundle does not cite active exploitation, and the CVE is not marked as CISA KEV. Practical abuse requires high privileges and local access to the infrastructure where VirtualBox runs, reducing broad remote risk.
Researcher notes
Sources do not provide root-cause details, CWE mapping, public exploit evidence, or indicators of compromise. Validation should focus on version exposure, privilege boundaries, and operational dependency on VirtualBox availability.
Mitigation direction
- Upgrade Oracle VM VirtualBox to 6.1.36 or later per vendor guidance.
- Apply relevant Oracle July 2022 CPU or Gentoo package updates.
- Limit privileged local access on hosts running VirtualBox.
- Prioritize shared or operationally important VirtualBox hosts first.
Validation and detection
- Inventory hosts running Oracle VM VirtualBox.
- Confirm installed VirtualBox versions are 6.1.36 or later.
- Check package manager or vendor advisory status for applied updates.
- Review privileged local users on VirtualBox hosts.
- Confirm monitoring detects VirtualBox service hangs or repeat crashes.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2022-21554 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H0.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.4MediumVector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.oracle.com/security-alerts/cpujul2022.htmlCVE reference · x_refsource_MISC
- GLSA-202208-36CVE reference · vendor-advisory, x_refsource_GENTOO
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
