VMware ESXi, Workstation, and Fusion Information Disclosure Vulnerability
VMware ESXi, Workstation, and Fusion contain an information disclosure vulnerability due to an out-of-bounds read in HGFS. Successful exploitation allows an attacker with administrative privileges to a virtual machine to leak memory from the vmx process.
A local attacker, without authentication, can achieve full data confidentiality loss. Federal agencies are required to remediate by 2025-03-25 under CISA BOD 22-01.
This is a Out-of-bounds Read (CWE-125) vulnerability in VMware ESXi, Workstation, and Fusion. Exploitation requires local access, low attack complexity, no authentication required, and no user interaction required.
Probably yes if any of these apply:
CISA added this CVE to the Known Exploited Vulnerabilities catalog on 2025-03-04 based on evidence of active exploitation in the wild. Federal agencies required to remediate by 2025-03-25.
Manual remediation steps
Apply the Vendor Patch
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog — apply the vendor's security update as soon as possible.
CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
References
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References