All vulnerabilities
CVE-2025-22225

VMware ESXi Arbitrary Write Vulnerability

VMware ESXiContainers & cloud
Open in ThreatlineRecord JSON
CVSS
8.2High
ExploitationExploited in the wildAdded to KEV 4 Mar 2025. Known ransomware useCISA KEV
Exploit odds (EPSS)1.02%Chance of exploitation activity in the next 30 days, higher than 63% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline25 Mar 2025Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 4 Mar 2025, 11:56 UTCPublishedCVE List
  2. 4 Mar 2025Added to CISA KEVCISA KEV

Description

VMware ESXi contains an arbitrary write vulnerability. Successful exploitation allows an attacker with privileges within the VMX process to trigger an arbitrary kernel write leading to an escape of the sandbox.

Text from CVE List

Affected versions 6

  • VMware ESXiaffected: 8.0 before ESXi80U3d-24585383CVE List
  • VMware ESXiaffected: 8.0 before ESXi80U2d-24585300CVE List
  • VMware ESXiaffected: 7.0 before ESXi70U3s-24585291CVE List
  • VMware Cloud Foundationaffected: 5.x, 4.5.xCVE List
  • VMware Telco Cloud Platformaffected: 5.x, 4.x, 3.x, 2.xCVE List
  • VMware Telco Cloud Infrastructureaffected: 3.x, 2.xCVE List

References 3