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Vulnerability record · CVE-2023-20894 · published 22 June 2023

CVE-2023-20894: Vmware vcenter server out-of-bounds write vulnerability

Vmware · Vcenter Server

The VMware 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-bound write by sending a specially crafted packet leading to memory corruption.

9.8 CVSS 3.1 Critical EPSS 34% · top 1.7% CWE-787 · Out-of-bounds write
9.8CVSS 3.1 base score
34%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

The VMware 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-bound write by sending a specially crafted packet leading to memory corruption.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1658
https://www.vmware.com/security/advisories/VMSA-2023-0014.html PatchVendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1658
https://www.vmware.com/security/advisories/VMSA-2023-0014.html PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-20894), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.