CVE-2023-34048
CRITICAL KEV NUCLEIVMware vCenter Server - Out-of-bounds Write in DCERPC Protocol Implementation
Title source: llmExploitation Summary
CVE-2023-34048 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added January 22, 2024. A Nuclei detection template is also available.
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.
Nuclei Templates (1)
VMware vCenter Server - Out-of-Bounds Write
CRITICALVERIFIEDby ritikchaddha
Shodan:
title:"VMware VCenter"
FOFA:
title="VMware VCenter"
References (3)
Core 3
Core References
Vendor Advisory
https://www.vmware.com/security/advisories/VMSA-2023-0023.html
Exploit, Third Party Advisory
https://www.vicarius.io/vsociety/posts/understanding-cve-2023-34048-a-zero-day-out-of-bound-write-in-vcenter-server
US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-34048
Scores
CVSS v3
9.8
EPSS
0.9321
EPSS Percentile
99.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
active
Automatable
no
Technical Impact
total
Details
CISA KEV
2024-01-22
VulnCheck KEV
2024-01-17
InTheWild.io
2024-01-22
ENISA EUVD
EUVD-2023-38166
CWE
CWE-787
Status
published
Products (3)
vmware/vcenter_server
7.0 (28 CPE variants)
vmware/vcenter_server
8.0 (8 CPE variants)
vmware/vcenter_server
4.0 - 5.5
Published
Oct 25, 2023
KEV Added
Jan 22, 2024
Tracked Since
Feb 18, 2026