CVE-2023-34048

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-34048
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.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link 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 Exploit Third Party Advisory
https://www.vmware.com/security/advisories/VMSA-2023-0023.html Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-34048 US Government Resource
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:*
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:*:*:*:*:*:*
History

30 Oct 2025, 19:52

Type Values Removed Values Added
References () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-34048 - () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-34048 - US Government Resource

21 Oct 2025, 23:16

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-34048 -

21 Oct 2025, 20:19

Type Values Removed Values Added
References
  • {'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-34048', 'source': '134c704f-9b21-4f2e-91b3-4a467353bcc0'}

21 Oct 2025, 19:20

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-34048 -

20 Dec 2024, 17:41

Type Values Removed Values Added
References () https://www.vicarius.io/vsociety/posts/understanding-cve-2023-34048-a-zero-day-out-of-bound-write-in-vcenter-server - () https://www.vicarius.io/vsociety/posts/understanding-cve-2023-34048-a-zero-day-out-of-bound-write-in-vcenter-server - Exploit, Third Party Advisory

21 Nov 2024, 08:06

Type Values Removed Values Added
References
  • () https://www.vicarius.io/vsociety/posts/understanding-cve-2023-34048-a-zero-day-out-of-bound-write-in-vcenter-server -
References () https://www.vmware.com/security/advisories/VMSA-2023-0023.html - Vendor Advisory () https://www.vmware.com/security/advisories/VMSA-2023-0023.html - Vendor Advisory

31 Oct 2023, 15:18

Type Values Removed Values Added
CPE cpe:2.3:a:vmware:vcenter_server:7.0:update2b:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:update1:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:update2:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:update3d:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update1:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:-:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:update3c:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:update3:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:update1c:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:c:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:b:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:b:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:update3n:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:update3e:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:-:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update1c:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:update3j:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:d:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:c:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:update3a:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update1b:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:update3h:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:update3m:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:update1a:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:update3l:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:update3k:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:update1a:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:update2d:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:update3i:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:8.0:a:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:update2c:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:a:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:update3f:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:update2a:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:update1d:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:7.0:update3g:*:*:*:*:*:*
References (MISC) https://www.vmware.com/security/advisories/VMSA-2023-0023.html - (MISC) https://www.vmware.com/security/advisories/VMSA-2023-0023.html - Vendor Advisory
First Time Vmware
Vmware vcenter Server
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 9.8
CWE CWE-787

25 Oct 2023, 18:17

Type Values Removed Values Added
New CVE
Information

Published : 2023-10-25 18:17

Updated : 2025-10-30 19:52

NVD link : CVE-2023-34048

Mitre link : CVE-2023-34048

CVE.ORG link : CVE-2023-34048

JSON object : View

Products Affected

vmware

  • vcenter_server
CWE
CWE-787

Out-of-bounds Write