CVE-2023-34048
Severity CVSS v4.0:
Pending analysis
Type:
CWE-787
Out-of-bounds Write
Publication date:
25/10/2023
Last modified:
30/10/2025
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.
Impact
Base Score 3.x
9.80
Severity 3.x
CRITICAL
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:a:vmware:vcenter_server:*:*:*:*:*:*:*:* | 4.0 (including) | 5.5 (including) |
| 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:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- https://www.vmware.com/security/advisories/VMSA-2023-0023.html
- 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
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-34048



