Vulnerability Intelligence Report
VMware vCenter Server Out-of-Bounds Write Vulnerability
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.
CISA KEV
Nuclei Template
SSVC: Active Exploitation
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:99.43%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-787 ↗CWE-787 Out-of-bounds Write
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| VMware | VMware vCenter Server | 8.0 < 8.0U2 (affected), 7.0 < 7.0U3o (affected) |
| VMware | VMware Cloud Foundation (VMware vCenter Server) | 5.x (affected), 4.x (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
CISA KEV
ACTIVE IN CATALOG
Nuclei Template
SCANNER AVAILABLE
EPSS Score
99.428%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | VMware by Broadcom · Vendor · USA |
| Reserved | 2023-05-25T17:21:56 |
| Published | 2023-10-25T04:21:42 |
| Patch Date | 2023-10-25 |
| Last Updated | 2025-10-21T23:05:33 |
Community Chatter & Buzz