Known Exploited Vulnerability
9.8
CRITICAL
CVE-2023-34048
VMware vCenter Server Out-of-Bounds Write Vulnerab - [Actively Exploited]
Description

vCenter Server contains an out-of-bounds write vulnerability in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may trigger an out-of-bounds write potentially leading to remote code execution.

INFO

Published Date :

Oct. 25, 2023, 6:17 p.m.

Last Modified :

Nov. 21, 2024, 8:06 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
CISA Notification
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.

Description :

VMware vCenter Server contains an out-of-bounds write vulnerability in the implementation of the DCERPC protocol that allows an attacker to conduct remote code execution.

Required Action :

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Notes :

https://www.vmware.com/security/advisories/VMSA-2023-0023.html; https://nvd.nist.gov/vuln/detail/CVE-2023-34048

Public PoC/Exploit Available at Github

CVE-2023-34048 has a 1 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-2023-34048 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-2023-34048.

URL Resource
https://www.vmware.com/security/advisories/VMSA-2023-0023.html Vendor Advisory
https://www.vicarius.io/vsociety/posts/understanding-cve-2023-34048-a-zero-day-out-of-bound-write-in-vcenter-server
https://www.vmware.com/security/advisories/VMSA-2023-0023.html 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

Updated: 10 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : Jan. 22, 2024, 4:10 p.m. This repo has been linked 1 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-2023-34048 vulnerability anywhere in the article.

  • Cybersecurity News
Critical VMware vCenter Server Flaws Under Active Attack: CISA Issues Urgent Warning

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued an urgent warning regarding two critical vulnerabilities in VMware vCenter Server that are currently being exploited in the ... Read more

Published Date: Nov 21, 2024 (3 weeks, 6 days ago)
  • BleepingComputer
Critical RCE bug in VMware vCenter Server now exploited in attacks

​Broadcom warned today that attackers are now exploiting two VMware vCenter Server vulnerabilities, one of which is a critical remote code execution flaw. TZL security researchers reported the RCE vul ... Read more

Published Date: Nov 18, 2024 (4 weeks, 1 day ago)
  • BleepingComputer
VMware fixes bad patch for critical vCenter Server RCE flaw

VMware has released another security update for CVE-2024-38812, a critical VMware vCenter Server remote code execution vulnerability that was not correctly fixed in the first patch from September 2024 ... Read more

Published Date: Oct 22, 2024 (1 month, 3 weeks ago)
  • Help Net Security
Critical VMware vCenter Server bugs fixed (CVE-2024-38812)

Broadcom has released fixes for two vulnerabilities affecting VMware vCenter Server that can be triggered by sending a specially crafted network packet, and could lead to remote code execution (CVE-20 ... Read more

Published Date: Sep 18, 2024 (3 months ago)
  • BleepingComputer
Broadcom fixes critical RCE bug in VMware vCenter Server

Broadcom has fixed a critical VMware vCenter Server vulnerability that attackers can exploit to gain remote code execution on unpatched servers via a network packet. vCenter Server is the central mana ... Read more

Published Date: Sep 17, 2024 (3 months ago)
  • TheCyberThrone
Spring Cloud Dataflow Vulnerability -CVE-2024-37084

A critical vulnerability has been identified in Spring Cloud Data Flow, a popular microservices-based streaming and batch data processing platform used in Cloud Foundry and Kubernetes environments.Thi ... Read more

Published Date: Jul 26, 2024 (4 months, 3 weeks ago)
  • 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

Published Date: Jun 18, 2024 (6 months ago)

The following table lists the changes that have been made to the CVE-2023-34048 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 https://www.vicarius.io/vsociety/posts/understanding-cve-2023-34048-a-zero-day-out-of-bound-write-in-vcenter-server
    Added Reference https://www.vmware.com/security/advisories/VMSA-2023-0023.html
  • Modified Analysis by [email protected]

    Aug. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 03, 2024

    Action Type Old Value New Value
    Added CWE CISA-ADP CWE-787
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Jan. 23, 2024

    Action Type Old Value New Value
    Added Vulnerability Name VMware vCenter Server Out-of-Bounds Write Vulnerability
    Added Required Action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
    Added Due Date 2024-02-12
    Added Date Added 2024-01-22
  • Initial Analysis by [email protected]

    Oct. 31, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.vmware.com/security/advisories/VMSA-2023-0023.html No Types Assigned https://www.vmware.com/security/advisories/VMSA-2023-0023.html Vendor Advisory
    Added CWE NIST CWE-787
    Added CPE Configuration OR *cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:* versions from (including) 4.0 up to (including) 5.5 *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:7.0:update3m:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:7.0:update3n:*:*:*:*:*:* *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:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update1b:*:*:*:*:*:* *cpe:2.3:a:vmware:vcenter_server:8.0:update1c:*:*:*:*:*:*
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-2023-34048 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-2023-34048 weaknesses.

Exploit Prediction

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

4.77 }} -0.39%

score

0.92589

percentile

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