CVE-2023-20900
HighCVSS 7.1Exploitation Probability (EPSS)
Elevated risk73th percentile - higher than 73% of all known CVEs
Summary
A malicious actor that has been granted Guest Operation Privileges in a target virtual machine may be able to elevate their privileges if that target virtual machine has been assigned a more privileged Guest Alias.
Risk Assessment
May lead to privilege escalation in the virtual environment, threatening virtual machine security.
Recommendation
Update VMware to a version containing the fix and verify Guest Alias assignments.
Other vulnerabilities in VMware
See all- CVE-2005-4459High
A heap-based buffer overflow in VMware NAT networking components (vmnat.exe and vmnet-natd) in Workstation 5.5, GSX Server 3.2, ACE 1.0.1, and Player 1.0 allows remote authenticated attackers, including guests, to execute arbitrary code via crafted EPRT and PORT FTP commands.
- CVE-2000-0090Low
VMware 1.1.2 allows local users to perform a symlink attack, which can lead to denial of service.
Original NVD description (English source)
A malicious actor that has been granted Guest Operation Privileges https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-security/GUID-6A952214-0E5E-4CCF-9D2A-90948FF643EC.html in a target virtual machine may be able to elevate their privileges if that target virtual machine has been assigned a more privileged Guest Alias https://vdc-download.vmware.com/vmwb-repository/dcr-public/d1902b0e-d479-46bf-8ac9-cee0e31e8ec0/07ce8dbd-db48-4261-9b8f-c6d3ad8ba472/vim.vm.guest.AliasManager.html .
Vulnerability data from NVD (NIST) · CISA KEV · EPSS