open-vm-tools — security advisory
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 .
- Products
- open-vm-tools
- Affected versions
- 2:12.2.0-1, 2:12.2.0-1+deb12u1~bpo11+1
- Fixed versions
- 2:12.2.0-1+deb12u1, 2:12.3.0-1
- CVEs
- CVE-2023-20900
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 11:06 UTC · Revision 1
Source evidence
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 .
osv:DEBIAN-CVE-2023-20900
open-vm-tools
Fixed versions: 2:12.2.0-1+deb12u1
open-vm-tools
Fixed versions: 2:12.3.0-1
open-vm-tools
Fixed versions: 2:12.3.0-1
Complete source record
{
"id": "c83b08dae0d2a57b1404f0dfbd7727134e04448d626017b8b60c4dd1bc229b2e",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-20900",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2023-20900",
"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 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 .",
"evidence": "osv:DEBIAN-CVE-2023-20900",
"products": [
{
"name": {
"value": "open-vm-tools",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:12.2.0-1+deb12u1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "2:12.2.0-1",
"evidence": "/affected/0/versions"
},
{
"value": "2:12.2.0-1+deb12u1~bpo11+1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "open-vm-tools",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:12.3.0-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "open-vm-tools",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:12.3.0-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2023-20900",
"aliases": [
"DEBIAN-CVE-2023-20900"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:12.2.0-1+deb12u1"
}
]
}
],
"package": {
"name": "open-vm-tools",
"purl": "pkg:deb/debian/open-vm-tools?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"2:12.2.0-1",
"2:12.2.0-1+deb12u1~bpo11+1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-20900.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:12.3.0-1"
}
]
}
],
"package": {
"name": "open-vm-tools",
"purl": "pkg:deb/debian/open-vm-tools?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-20900.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:12.3.0-1"
}
]
}
],
"package": {
"name": "open-vm-tools",
"purl": "pkg:deb/debian/open-vm-tools?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-20900.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-09T09:47:24.422634893Z",
"provider": "osv",
"upstream": [
"CVE-2023-20900"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2023-20900"
]
},
"related_cves": [
{
"value": "CVE-2023-20900",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 111461,
"published_at": "2023-08-31T10:15:08.247+00:00"
}