High severity · published Aug 31, 2023
CVE-2023-20900
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…
7.5
CVSS
1.5%
EPSS
No
On KEV
Description
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 .
CVSS vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VT
VMware Tools ·
12.x.x; 11.x.x; 10.3.x; 10.3.x · source: vendor
VT
VMware Tools (open-vm-tools) ·
12.x.x; 11.x.x; 10.3.x · source: vendor
DL
Debian Linux · Debian
10.0; 11.0; 12.0 · source: NVD
FE
Fedora · Fedoraproject
37; 38; 39 · source: NVD
OS
Ontap Select Deploy Administration Utility · Netapp
All versions, or not specified · source: NVD
OV
Open VM Tools · Vmware
10.3.0 before 12.3.0 · source: NVD
TO
Tools · Vmware
10.3.0 before 12.3.0; 10.3.0 before 10.3.26 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-20900
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-20900
www.vmware.com
https://www.vmware.com/security/advisories/VMSA-2023-0019.html
www.openwall.com
http://www.openwall.com/lists/oss-security/2023/08/31/1
www.debian.org
https://www.debian.org/security/2023/dsa-5493
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZJM6HDRQYS74JA7YNKQBFH2XSZ52HEWH/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/