Vcenter Server
CVE-2023-20894
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
The VMware vCenter Server contains an out-of-bounds write vulnerability in the implementation of the DCERPC protocol. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Technical ContextAI
This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. 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. Affected products include: Vmware Vcenter Server.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).
More in Vcenter Server
View allThe JMX RMI service in VMware vCenter Server 5.0 before u3e, 5.1 before u3b, 5.5 before u3, and 6.0 before u1 does not r
The vCenter Server contains an arbitrary file upload vulnerability in the Analytics service. Rated critical severity (CV
The vSphere Client (HTML5) contains a remote code execution vulnerability due to lack of input validation in the Virtual
The vSphere Client (HTML5) contains a remote code execution vulnerability in a vCenter Server plugin. Rated critical sev
The vCenter Server contains multiple local privilege escalation vulnerabilities due to misconfiguration of sudo. Rated h
The vCenter Server contains multiple local privilege escalation vulnerabilities due to improper permissions of files and
Under certain conditions, vmdir that ships with VMware vCenter Server, as part of an embedded or external Platform Servi
The vCenter Server contains an unsafe deserialisation vulnerability in the PSC (Platform services controller). Rated cri
VMware vCenter Server 4.0 before Update 4b and 4.1 before Update 3a, VMware VirtualCenter 2.5, VMware vSphere Client 4.0
Cross-site scripting (XSS) vulnerability in the Web Client in VMware vCenter Server 5.1 before update 3d, 5.5 before upd
VMware vCenter Server (6.5 prior to 6.5 U1) contains an information disclosure vulnerability. Rated critical severity (C
The vCenter Server contains a privilege escalation vulnerability. Rated critical severity (CVSS 9.8), this vulnerability
Same weakness CWE-787 – Out-of-bounds Write
View allSame technique Memory Corruption
View allShare
External POC / Exploit Code
Leaving vuln.today