CISA Known Exploited Vulnerability (KEV)
VMware ESXi and Workstation TOCTOU Race Condition Vulnerability
March 4, 2025
March 25, 2025
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Description
VMware ESXi, and Workstation contain a TOCTOU (Time-of-Check Time-of-Use) vulnerability that leads to an out-of-bounds write. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine’s VMX process running on the host.
Weakness Enumeration
| CWE-ID | CWE Name |
|---|---|
|
CWE-367 |
Time-of-check Time-of-use (TOCTOU) Race Condition |