CVE-2023-34048NVD

Vulnerability Summary

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.

Severity Level

CRITICAL(9.8)

Published Date

Oct 25, 2023

Last Modified

Oct 21, 2025

PoC

Available(Nuclei)

Exploitation Status

ACTIVE

EPSS Score (30-Day)

Data Pending

Root Weakness (CWE)

N/A

CVSS v3.1 Base Metrics — Score 9.8 (CRITICAL)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

Affected & Patched Versions

Affected Versions

VMware VMware vCenter Server >= 8.0 and < 8.0U2
VMware VMware vCenter Server >= 7.0 and < 7.0U3o
VMware VMware Cloud Foundation (VMware vCenter Server) >= 5.x
VMware VMware Cloud Foundation (VMware vCenter Server) >= 4.x

Patched Versions

VMware VMware vCenter Server 8.0U2
VMware VMware vCenter Server 7.0U3o

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