Is CVE-2023-34048 actively exploited?

CVE-2023-34048 has no public evidence of in-the-wild exploitation as of 2025-10-30.

What is the CVSS score for CVE-2023-34048?

CVE-2023-34048 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2023-34048?

Patch guidance is available from vmware security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-34048.

Fix CVE-2023-34048 - CRITICAL vmware vcenter server

Q: Which products are affected by CVE-2023-34048?

37 products: vmware vcenter server, vmware vcenter server, vmware vcenter server, vmware vcenter server, vmware vcenter server, and 32 more.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-787 · Out-of-bounds Write CWE-787 · Out-of-bounds Write

Metadata

Primary Vendor: VMWARE
Published: 10/25/2023
Last Modified: 10/30/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

vmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_servervmware : vcenter_server

Remediation Guidance

Executive Summary

View on NIST NVD