Security readout for executives and security teams
This VMware flaw affects older, unpatched ESXi, Workstation, and Fusion versions. A malicious or compromised virtual machine guest may be able to run code on the host, breaking a core virtualization boundary. The business concern is strongest where untrusted or tenant-controlled VMs run on affected hosts. Exposure is likely limited to legacy VMware deployments or endpoints still running the named vulnerable versions without the specified patches. ESXi hosts are the highest concern when they run untrusted, internet-facing, partner, lab, or multi-tenant guest workloads. Treat as high priority for any affected VMware host running untrusted guests. The issue threatens host compromise from a VM, but urgency depends on whether vulnerable legacy versions remain in use and whether guest workloads are trusted. Mitigation focus: Apply the listed ESXi security patches for each affected ESXi release.; Upgrade Workstation Pro or Player 12.x to 12.5.5 or later.; Upgrade Fusion Pro or Fusion 8.x to 8.5.6 or later..
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-2017-4903 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
Products and packages named in the record
CWE details
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