Vulnerability details

CVE-2023-34048

Actively exploited
VMware Cloud FoundationVMware vCenter Server

VMware vCenter Server Out-of-Bounds Write Vulnerability

CVSS 3.1
9.8Critical

Official 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.

CVSS scores

ScoreVersionSourceVector
9.8Critical 3.1 CVEProject cvelistV5 (CNA) (vmware) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
VMware Cloud Foundation 4.0 ≤ v < KB88287 CISA ADP / Vulnrichment
VMware Cloud Foundation 5.0 ≤ v < KB88287 CISA ADP / Vulnrichment
VMware VMware Cloud Foundation (VMware vCenter Server) 4.x CVEProject cvelistV5 (CNA)
VMware VMware Cloud Foundation (VMware vCenter Server) 5.x CVEProject cvelistV5 (CNA)
VMware VMware vCenter Server 7.0 ≤ v < 7.0U3o CVEProject cvelistV5 (CNA)
VMware VMware vCenter Server 8.0 ≤ v < 8.0U2 CVEProject cvelistV5 (CNA)
VMware vCenter Server 7.0 ≤ v < 7.0U3o CISA ADP / Vulnrichment
VMware vCenter Server 8.0 ≤ v < 8.0U2 CISA ADP / Vulnrichment

References and advisories

3
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Details

Published
2023-10-25
Last updated
2025-10-22
State
Published
Assigner (CNA)
vmware
Kolun priority
90 · Critical

CISA KEV catalog

Date added
2024-01-22
Due date
2024-02-12
Used in ransomware
Unknown

Exploit prediction (EPSS)

99.23%
Probability of exploitation in 30 days
99.9%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
Active
Technical impact
Total

Weaknesses (CWE)

  • CWE-787
    Out-of-bounds Write