Security readout for executives and security teams
CVE-2020-2959 is a denial-of-service flaw in Oracle VM VirtualBox. An unauthenticated attacker with network access via MLD could make affected VirtualBox systems hang or crash repeatedly. The business risk is service disruption, especially where VirtualBox supports development, testing, build, lab, or desktop virtualization workflows. Exposure is most likely on hosts running Oracle VM VirtualBox older than 5.2.40, 6.0.20, or 6.1.6. Systems reachable by untrusted network traffic via MLD are the main concern. The sources do not identify specific downstream products beyond noting potential impact to additional products. Treat this as a high-priority availability risk where VirtualBox supports business-critical work. It does not indicate confirmed data compromise, but repeated crashes can interrupt engineering, testing, and operational workflows. Patch or isolate exposed affected systems promptly. Mitigation focus: Upgrade VirtualBox to 5.2.40, 6.0.20, 6.1.6, or later supported releases.; Apply Oracle April 2020 CPU guidance where Oracle packages are used.; Use openSUSE or Gentoo security updates where those distributions package VirtualBox..
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
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ATT&CK lookup starting points
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CVE-2020-2959 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 8.6 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/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:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H3.94Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.6HighVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.oracle.com/security-alerts/cpuapr2020.htmlCVE reference · x_refsource_MISC
- GLSA-202101-09CVE 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.
