7.5
HIGH
CVE-2023-20896
VMware vCenter Server DCERPC Out-of-Bounds Read Vulnerability
Description

The VMware vCenter Server contains an out-of-bounds read vulnerability in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may trigger an out-of-bounds read by sending a specially crafted packet leading to denial-of-service of certain services (vmcad, vmdird, and vmafdd).

INFO

Published Date :

June 22, 2023, 1:15 p.m.

Last Modified :

July 13, 2023, 11:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2023-20896 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 vcenter_server
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-2023-20896.

URL Resource
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1800
https://www.vmware.com/security/advisories/VMSA-2023-0014.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).

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

The following list is the news that have been mention CVE-2023-20896 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-20896 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 [email protected]

    May. 14, 2024

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

    Jul. 13, 2023

    Action Type Old Value New Value
    Added Reference https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1800 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jun. 30, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://www.vmware.com/security/advisories/VMSA-2023-0014.html No Types Assigned https://www.vmware.com/security/advisories/VMSA-2023-0014.html Patch, Vendor Advisory
    Added CWE NIST CWE-125
    Added CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:* versions from (including) 4.0 up to (excluding) 7.0 *cpe:2.3:a:vmware:vcenter_server:7.0:-:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:a:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:b:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:c:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:d:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:update1:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:update1a:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:update1c:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:update1d:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:update2:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:update2a:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:update2b:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:update2c:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:update2d:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:update3:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:update3a:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:update3c:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:update3d:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:update3e:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:update3f:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:update3g:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:update3h:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:update3i:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:update3j:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:update3k:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:update3l:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:-:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:a:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:b:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:c:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update1:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update1a:*:*:*:*:*:*
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.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-20896 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-2023-20896 weaknesses.

Exploit Prediction

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

0.06 }} 0.01%

score

0.26728

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability