1. Home
  2. Vulnerabilities
  3. CVE-2023-20900
7.5
HIGH CVSS 3.1
CVE-2023-20900
VMware vSphere Guest Privilege Escalation Vulnerability
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 .

INFO

Published Date :

Aug. 31, 2023, 10:15 a.m.

Last Modified :

Nov. 21, 2024, 7:41 a.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2023-20900 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Vmware tools
2 Vmware open_vm_tools
1 Linux linux_kernel
1 Fedoraproject fedora
1 Debian debian_linux
1 Netapp ontap_select_deploy_administration_utility
1 Microsoft windows
: Total Affected Vendor : 6 | Products : 7
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
Solution
To address a privilege escalation vulnerability, update VMware Tools and open-vm-tools packages.
  • Upgrade VMware Tools to version 12.3.0 or later.
  • Update the affected open-vm-tools packages.
Public PoC/Exploit Available at Github

CVE-2023-20900 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-20900.

URL Resource
http://www.openwall.com/lists/oss-security/2023/08/31/1 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/10/27/1 Mailing List Patch
https://lists.debian.org/debian-lts-announce/2023/10/msg00000.html Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/ Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/ Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/ZJM6HDRQYS74JA7YNKQBFH2XSZ52HEWH/ Mailing List
https://security.netapp.com/advisory/ntap-20231013-0002/ Third Party Advisory
https://www.debian.org/security/2023/dsa-5493 Third Party Advisory
https://www.vmware.com/security/advisories/VMSA-2023-0019.html Patch Vendor Advisory
http://www.openwall.com/lists/oss-security/2023/08/31/1 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/10/27/1 Mailing List Patch
https://lists.debian.org/debian-lts-announce/2023/10/msg00000.html Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/ Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/ Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/ZJM6HDRQYS74JA7YNKQBFH2XSZ52HEWH/ Mailing List
https://security.netapp.com/advisory/ntap-20231013-0002/ Third Party Advisory
https://www.debian.org/security/2023/dsa-5493 Third Party Advisory
https://www.vmware.com/security/advisories/VMSA-2023-0019.html Patch Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-20900 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-20900 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
p-/p-

None

Updated: 5 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : July 9, 2024, 11:22 a.m. This repo has been linked 7 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-20900 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2023-20900 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2023/08/31/1
    Added Reference http://www.openwall.com/lists/oss-security/2023/10/27/1
    Added Reference https://lists.debian.org/debian-lts-announce/2023/10/msg00000.html
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/ZJM6HDRQYS74JA7YNKQBFH2XSZ52HEWH/
    Added Reference https://security.netapp.com/advisory/ntap-20231013-0002/
    Added Reference https://www.debian.org/security/2023/dsa-5493
    Added Reference https://www.vmware.com/security/advisories/VMSA-2023-0019.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Jan. 12, 2024

    Action Type Old Value New Value
    Changed Reference Type http://www.openwall.com/lists/oss-security/2023/10/27/1 No Types Assigned http://www.openwall.com/lists/oss-security/2023/10/27/1 Mailing List, Patch
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2023/10/msg00000.html No Types Assigned https://lists.debian.org/debian-lts-announce/2023/10/msg00000.html Mailing List
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/ Mailing List
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/ Mailing List
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/ZJM6HDRQYS74JA7YNKQBFH2XSZ52HEWH/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/ZJM6HDRQYS74JA7YNKQBFH2XSZ52HEWH/ Mailing List
    Changed Reference Type https://security.netapp.com/advisory/ntap-20231013-0002/ No Types Assigned https://security.netapp.com/advisory/ntap-20231013-0002/ Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2023/dsa-5493 No Types Assigned https://www.debian.org/security/2023/dsa-5493 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Nov. 17, 2023

    Action Type Old Value New Value
    Removed CVSS V3.1 VMware AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 VMware AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE Modified by [email protected]

    Oct. 27, 2023

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2023/10/27/1 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 13, 2023

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20231013-0002/ [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 01, 2023

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2023/10/msg00000.html [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 20, 2023

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/ [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 15, 2023

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/ [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 14, 2023

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/ZJM6HDRQYS74JA7YNKQBFH2XSZ52HEWH/ [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 11, 2023

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2023/dsa-5493 [No Types Assigned]
  • Initial Analysis by [email protected]

    Sep. 06, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://www.openwall.com/lists/oss-security/2023/08/31/1 No Types Assigned http://www.openwall.com/lists/oss-security/2023/08/31/1 Mailing List, Third Party Advisory
    Changed Reference Type https://www.vmware.com/security/advisories/VMSA-2023-0019.html No Types Assigned https://www.vmware.com/security/advisories/VMSA-2023-0019.html Patch, Vendor Advisory
    Added CWE NIST CWE-294
    Added CPE Configuration AND OR *cpe:2.3:a:vmware:tools:*:*:*:*:*:*:*:* versions from (including) 10.3.0 up to (excluding) 12.3.0 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:vmware:tools:*:*:*:*:*:*:*:* versions from (including) 10.3.0 up to (excluding) 10.3.26 OR cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:vmware:open_vm_tools:*:*:*:*:*:*:*:* versions from (including) 10.3.0 up to (excluding) 12.3.0 OR cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Sep. 06, 2023

    Action Type Old Value New Value
    Changed Description VMware Tools contains a SAML token signature bypass vulnerability. A malicious actor with man-in-the-middle (MITM) network positioning in the virtual machine network may be able to bypass SAML token signature verification, to perform VMware Tools Guest Operations. 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 .
  • CVE Modified by [email protected]

    Sep. 01, 2023

    Action Type Old Value New Value
    Changed Description VMware Tools contains a SAML token signature bypass vulnerability. A malicious actor with man-in-the-middle (MITM) network positioning between vCenter server and the virtual machine may be able to bypass SAML token signature verification, to perform VMware Tools Guest Operations. VMware Tools contains a SAML token signature bypass vulnerability. A malicious actor with man-in-the-middle (MITM) network positioning in the virtual machine network may be able to bypass SAML token signature verification, to perform VMware Tools Guest Operations.
  • CVE Modified by [email protected]

    Aug. 31, 2023

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2023/08/31/1 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.95 }} -0.90%

score

0.74337

percentile