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[ CVE-2024-37085 · Published 25 Jun 2024 ]

VMware ESXi Authentication Bypass Vulnerability

Exploited · CISA KEV CVSS 7.2 EPSS 27%Fix available

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2024-07-30
  • Known to be used in ransomware campaigns
  • EPSS: 27% chance of exploitation in the next 30 days (higher than 98% of CVEs)

[ Description ]Official description

VMware ESXi contains an authentication bypass vulnerability. A malicious actor with sufficient Active Directory (AD) permissions can gain full access to an ESXi host that was previously configured to use AD for user management https://blogs.vmware.com/vsphere/2012/09/joining-vsphere-hosts-to-active-directory.html by re-creating the configured AD group ('ESXi Admins' by default) after it was deleted from AD.

CISA: VMware ESXi contains an authentication bypass vulnerability. A malicious actor with sufficient Active Directory (AD) permissions can gain full access to an ESXi host that was previously configured to use AD for user management by re-creating the configured AD group ('ESXi Admins' by default) after it was deleted from AD.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 20 Aug 2024): Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

[ References ]References