ClosedPatched

VMware ESXi Authentication Bypass

VMware ESXi

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. Added to the CISA KEV catalog on 2024-07-30. CISA lists known use in ransomware campaigns.

Why this severity: CVSS 6.8 (v3.1, CNA), actively exploited (CISA KEV); known ransomware use

Started: Jun 25, 2024
Closed: Jul 30, 2024
CVE: CVE-2024-37085

Follow this incident

Updated Jul 30, 2024

Affected

See vendor advisory (versions are not listed in the KEV record)

Fixed in

See vendor advisory linked in sources

Timeline2

Jul 30, 2024
CISA added CVE-2024-37085 to the KEV catalog (federal deadline 2024-08-20)
Source
Jun 25, 2024
CVE-2024-37085 published
Source

Advisories3

News & write-ups1

Ransomware operators exploit ESXi hypervisor vulnerability for mass encryptionMicrosoft Threat Intelligence · Jul 29, 2024 · Write-up

Notes & caveats

Derived from the CISA KEV JSON feed (catalogVersion 2026.10.21); CVSS from the CVE record (cveawg.mitre.org). startedAt is the CVE publication date when it fell in 2024 before the KEV listing, else the KEV dateAdded; exploitation may have begun earlier. closedAt is the KEV listing date (a fix or mitigation was available then unless noted).

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