Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2023-34048
VMware vCenter Server Out-of-Bounds Write Vulnerability
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L N N U H H H 9.8 .9943 99.9 YES
AFFECTED
Product Versions Fixed
VMware vCenter Server 8.0 – —
VMware Cloud Foundation (VMware vCenter Server) 5.x – —
TIMELINE
May 25 Reserved by vmware
Oct 25 Published (CNA: vmware)
Jan 22 Added to CISA KEV, remediation due 2024-02-12
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| May 25, 2023 | Reserved | Reserved by vmware |
| October 25, 2023 | Published | Published (CNA: vmware) |
| January 22, 2024 | KEV ADDED | Added to CISA KEV, remediation due 2024-02-12 |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| VMware | VMware vCenter Server | — | 8.0 | — |
| VMware | VMware Cloud Foundation (VMware vCenter Server) | — | 5.x | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2023-34048 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.