{"id":"CVE-2023-20900","title":"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 p…","summary":"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 p…","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-294"],"vendor":"vmware","product":"tools","affected":["tools >= 10.3.0, < 12.3.0","tools >= 10.3.0, < 10.3.26","open_vm_tools >= 10.3.0, < 12.3.0","fedora = 37","fedora = 38","fedora = 39","debian_linux = 10.0","debian_linux = 11.0","debian_linux = 12.0","ontap_select_deploy_administration_utility"],"patched":["tools 10.3.26","open_vm_tools 12.3.0"],"published":"2023-08-31","updated":"2026-10-08","sourceUpdated":"2026-10-08T22:17:22.590","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-20900","references":[{"url":"http://www.openwall.com/lists/oss-security/2023/08/31/1","label":"security@vmware.com"},{"url":"http://www.openwall.com/lists/oss-security/2023/10/27/1","label":"security@vmware.com"},{"url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00000.html","label":"security@vmware.com"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/","label":"security@vmware.com"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/","label":"security@vmware.com"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZJM6HDRQYS74JA7YNKQBFH2XSZ52HEWH/","label":"security@vmware.com"},{"url":"https://security.netapp.com/advisory/ntap-20231013-0002/","label":"security@vmware.com"},{"url":"https://www.debian.org/security/2023/dsa-5493","label":"security@vmware.com"},{"url":"https://www.vmware.com/security/advisories/VMSA-2023-0019.html","label":"security@vmware.com"},{"url":"http://www.openwall.com/lists/oss-security/2023/08/31/1","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2023/10/27/1","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00000.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZJM6HDRQYS74JA7YNKQBFH2XSZ52HEWH/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20231013-0002/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2023/dsa-5493","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.vmware.com/security/advisories/VMSA-2023-0019.html","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.01463,"epssPercentile":0.72823,"ingestedAt":"2026-10-08T23:16:47.351Z","slug":"CVE-2023-20900","body":"## Overview\n\nA 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 .\n\n## Affected\n\n- `tools >= 10.3.0, < 12.3.0`\n- `tools >= 10.3.0, < 10.3.26`\n- `open_vm_tools >= 10.3.0, < 12.3.0`\n- `fedora = 37`\n- `fedora = 38`\n- `fedora = 39`\n- `debian_linux = 10.0`\n- `debian_linux = 11.0`\n- `debian_linux = 12.0`\n- `ontap_select_deploy_administration_utility`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `tools 10.3.26`\n- `open_vm_tools 12.3.0`","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}