#VU60617 Race condition in VMware ESXi - CVE-2021-22041
Published: February 15, 2022
Vulnerability identifier: #VU60617
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-22041
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
VMware ESXi
VMware ESXi
Software vendor:
VMware, Inc
VMware, Inc
Description
The vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to a double-fetch vulnerability in the UHCI USB controller. A remote user with administrative permissions on the guest OS can
trigger a race condition and execute arbitrary code as the virtual
machine's VMX process running on the host.
Successful exploitation of the vulnerability may allow an attacker to compromise the hypervisor.
Remediation
Install updates from vendor's website.