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CVE-2023-20894

Quick assessment

Affected
VMware VMware vCenter Server (vCenter Server)
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

VMware vCenter Server是美国威睿（VMware）公司的一套服务器和虚拟化管理软件。该软件提供了一个用于管理VMware vSphere环境的集中式平台，可自动实施和交付虚拟基础架构。 VMware vCenter Server存在安全漏洞，该漏洞源于包含越界写入漏洞攻击者利用该漏洞可以通过发送特制数据包来触发越界写入，从而导致内存损坏。

CVSS 8.1 · High EPSS 33.95% · P98

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-20894

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
VMware vCenter Server 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
VMware vCenter Server是美国威睿（VMware）公司的一套服务器和虚拟化管理软件。该软件提供了一个用于管理VMware vSphere环境的集中式平台，可自动实施和交付虚拟基础架构。 VMware vCenter Server存在安全漏洞，该漏洞源于包含越界写入漏洞攻击者利用该漏洞可以通过发送特制数据包来触发越界写入，从而导致内存损坏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
VMware VMware vCenter Server (vCenter Server) 8.0 ~ 8.0 U1b -
VMware VMware Cloud Foundation (vCenter Server) 5.x ~ 7.0 U3m, 8.0 U1b -

II. Public POCs for CVE-2023-20894

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III. Intelligence Information for CVE-2023-20894

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Vendor Advisories for CVE-2023-20894 (1)

Other References for CVE-2023-20894 (1)

Same Patch Batch · VMware · 2023-06-22 · 5 CVEs total

CVE-2023-20895 8.1 HIGH VMware vCenter Server 缓冲区错误漏洞
CVE-2023-20893 8.1 HIGH VMware vCenter Server 资源管理错误漏洞
CVE-2023-20892 8.1 HIGH VMware vCenter Server heap-overflow vulnerability
CVE-2023-20896 5.9 MEDIUM VMware vCenter Server 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: VMware vCenter Server (vCenter Server)
Same vendor: VMware

V. Comments for CVE-2023-20894

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