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.
- Score
- CVSS 3.1 9.8 Critical
- Status
- Analyzed - security@vmware.com
- Published
- 2023-10-25
- Last modified
- 2025-10-21
- Known exploited (CISA KEV)
- since 2024-01-22, action due 2024-02-12: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Weaknesses
- CWE-787
Affected products
- Cloud Foundation (Vmware)
- Vcenter Server (Vmware)
- Vmware Cloud Foundation Vmware Vcenter Server (Vmware)
- Vmware Vcenter Server (Vmware)
References
- https://www.vmware.com/security/advisories/VMSA-2023-0023.html
- https://www.vicarius.io/vsociety/posts/understanding-cve-2023-34048-a-zero-day-out-of-bound-write-in-vcenter-server
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-34048
