CVE-2023-20867
VMware Tools Authentication Bypass Vulnerability - [Actively Exploited]
Description
A fully compromised ESXi host can force VMware Tools to fail to authenticate host-to-guest operations, impacting the confidentiality and integrity of the guest virtual machine.
INFO
Published Date :
June 13, 2023, 5:15 p.m.
Last Modified :
June 27, 2024, 7:05 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
2.7
Exploitability Score :
0.8
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
VMware Tools contains an authentication bypass vulnerability in the vgauth module. A fully compromised ESXi host can force VMware Tools to fail to authenticate host-to-guest operations, impacting the confidentiality and integrity of the guest virtual machine. An attacker must have root access over ESXi to exploit this vulnerability.
Apply updates per vendor instructions.
https://www.vmware.com/security/advisories/VMSA-2023-0013.html
Public PoC/Exploit Available at Github
CVE-2023-20867 has a 2 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2023-20867
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.
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-2023-20867.
| URL | Resource |
|---|---|
| http://www.openwall.com/lists/oss-security/2023/10/16/11 | Mailing List Patch |
| http://www.openwall.com/lists/oss-security/2023/10/16/2 | Mailing List Patch |
| https://lists.debian.org/debian-lts-announce/2023/08/msg00020.html | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/[email protected]/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/ | Mailing List Release Notes |
| https://lists.fedoraproject.org/archives/list/[email protected]/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/ | Mailing List Release Notes |
| https://lists.fedoraproject.org/archives/list/[email protected]/message/ZJM6HDRQYS74JA7YNKQBFH2XSZ52HEWH/ | Mailing List Release Notes |
| https://security.netapp.com/advisory/ntap-20230725-0001/ | Third Party Advisory |
| https://www.debian.org/security/2023/dsa-5493 | Mailing List Third Party Advisory |
| https://www.vmware.com/security/advisories/VMSA-2023-0013.html | Patch Vendor Advisory |
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).
None
Python
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
cisa-kev vulnerability 0day cisa exploits
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-20867 vulnerability anywhere in the article.
-
Google Cloud
Cloaked and Covert: Uncovering UNC3886 Espionage Operations
Written by: Punsaen Boonyakarn, Shawn Chew, Logeswaran Nadarajan, Mathew Potaczek, Jakub Jozwiak, Alex Marvi Following the discovery of malware residing within ESXi hypervisors in September 2022, Mand ... Read more
The following table lists the changes that have been made to the
CVE-2023-20867 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.
-
Modified Analysis by [email protected]
Jun. 27, 2024
Action Type Old Value New Value Changed Reference Type http://www.openwall.com/lists/oss-security/2023/10/16/11 No Types Assigned http://www.openwall.com/lists/oss-security/2023/10/16/11 Mailing List, Patch Changed Reference Type http://www.openwall.com/lists/oss-security/2023/10/16/2 No Types Assigned http://www.openwall.com/lists/oss-security/2023/10/16/2 Mailing List, Patch Changed Reference Type https://lists.debian.org/debian-lts-announce/2023/08/msg00020.html No Types Assigned https://lists.debian.org/debian-lts-announce/2023/08/msg00020.html Mailing List, Third Party Advisory 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, Release Notes 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, Release Notes 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, Release Notes Changed Reference Type https://security.netapp.com/advisory/ntap-20230725-0001/ No Types Assigned https://security.netapp.com/advisory/ntap-20230725-0001/ 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 Mailing List, Third Party Advisory Changed Reference Type https://www.vmware.com/security/advisories/VMSA-2023-0013.html Vendor Advisory https://www.vmware.com/security/advisories/VMSA-2023-0013.html Patch, Vendor Advisory 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:o:fedoraproject:fedora:37:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Oct. 16, 2023
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2023/10/16/11 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 16, 2023
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2023/10/16/2 [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] -
CVE Modified by [email protected]
Aug. 17, 2023
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2023/08/msg00020.html [No Types Assigned] -
CVE Modified by [email protected]
Jul. 25, 2023
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20230725-0001/ [No Types Assigned] -
Initial Analysis by [email protected]
Jun. 16, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N Changed Reference Type https://www.vmware.com/security/advisories/VMSA-2023-0013.html No Types Assigned https://www.vmware.com/security/advisories/VMSA-2023-0013.html Vendor Advisory Added CWE NIST CWE-287 Added CPE Configuration OR *cpe:2.3:a:vmware:tools:*:*:*:*:*:*:*:* versions from (including) 10.3.0 up to (excluding) 12.2.5
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-20867 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-2023-20867
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.29 }} -0.09%
score
0.69702
percentile