CVE-2023-20900

CWE-294CWE-34710 documents8 sources
Severity
7.5HIGH
EPSS
0.6%
top 30.69%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedAug 31
Latest updateOct 26

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:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.2 | Impact: 5.9

Affected Packages5 packages

NVDvmware/tools10.3.012.3.0+1
NVDvmware/open_vm_tools10.3.012.3.0
CVEListV5vmware_tools10.3.x, 11.x.x, 12.x.x+2
CVEListV5vmware_tools_(open-vm-tools)10.3.x, 11.x.x, 12.x.x+2
Debianopen-vm-tools< 2:11.2.5-2+deb11u2+3

Also affects: Debian Linux 10.0, 11.0, 12.0, Fedora 37, 38, 39

Patches

🔴Vulnerability Details

3
OSV
CVE-2023-20900: A malicious actor that has been granted Guest Operation Privileges https://docs2023-08-31
GHSA
GHSA-h7h7-f9wh-xhj8: VMware Tools contains a SAML token signature bypass vulnerability2023-08-31
CVEList
CVE-2023-20900: A malicious actor that has been granted Guest Operation Privileges https://docs2023-08-31

📋Vendor Advisories

6
VMware
VMware Tools updates address Local Privilege Escalation and SAML Token Signature Bypass vulnerabilities (CVE-2023-34057, CVE-2023-34058)2023-10-26
Ubuntu
Open VM Tools vulnerability2023-09-25
Ubuntu
Open VM Tools vulnerability2023-09-13
Red Hat
open-vm-tools: SAML token signature bypass2023-08-31
VMware
VMware Tools updates address a SAML Token Signature Bypass Vulnerability (CVE-2023-20900)2023-08-31
CVE-2023-20900 (HIGH CVSS 7.5) | A malicious actor that has been gra | cvebase.io