CVE-2023-34048
CriticalPublished
VMware vCenter Server Out-of-Bounds Write Vulnerability
- Published
- Oct 25, 2023
- Updated
- Oct 21, 2025
- Assigning CNA
- vmware
- Evidence observed
- Jan 22, 2024
Primary CVSS
9.8/ 10Critical
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H99.4%
High · next 30 days
- Percentile
- 99.9%
- Model date
- Oct 17, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
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.
Sources
Repository evidence: Files: 1 · Repositories: 1
1 Template
http/cves/2023/CVE-2023-34048.yaml
Nuclei TemplatesDeclared conditions
- network: http($.protocol_keys)
- verification: dsl,status,word($.matchers[*].type)
Responsible use
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