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I. Basic Information for CVE-2021-21985
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
The vSphere Client (HTML5) contains a remote code execution vulnerability due to lack of input validation in the Virtual SAN Health Check plug-in which is enabled by default in vCenter Server. A malicious actor with network access to port 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Vmware vSphere Client 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vmware vSphere Client是美国威睿(Vmware)公司的一个应用软件。提供虚拟化管理。 Vmware vSphere Client 存在输入验证错误漏洞,该漏洞由于vCenter Server默认启用的虚拟SAN健康检查插件缺乏输入验证,导致攻击者可以在底层操作系统上以不受限制的权限执行命令。
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
VendorProductAffected VersionsCPESubscribe
-VMware vCenter Server and VMware Cloud Foundation VMware vCenter Server (7.x before 7.0 U2b, 6.7 before 6.7 U3n, 6.5 before 6.5 U3p) and VMware Cloud Foundation (4.x before 4.2.1, 3.x before 3.10.2.1) -
II. Public POCs for CVE-2021-21985
#POC DescriptionSource LinkShenlong Link
1Multiple vulnerabilities in the vSphere Client (HTML5) were privately reported to VMware. Updates and workarounds are available to address these vulnerabilities in affected VMware products.https://github.com/bigbroke/CVE-2021-21985POC Details
2Nonehttps://github.com/alt3kx/CVE-2021-21985_PoCPOC Details
3CVE-2021-21985 Checker.https://github.com/onSec-fr/CVE-2021-21985-CheckerPOC Details
4This script check the CVE-2021-21985 vulnerability and patch on vCenter Server.https://github.com/mauricelambert/CVE-2021-21985POC Details
5cve-2021-21985 exploithttps://github.com/xnianq/cve-2021-21985_expPOC Details
6CVE-2021-21985 vmware 6.7-9.8 RCEhttps://github.com/daedalus/CVE-2021-21985POC Details
7Nonehttps://github.com/testanull/Project_CVE-2021-21985_PoCPOC Details
8Nonehttps://github.com/haiclover/CVE-2021-21985POC Details
9cve-2021-21985 powershell pochttps://github.com/aristosMiliaressis/CVE-2021-21985POC Details
10VMWARE VCENTER SERVER VIRTUAL SAN HEALTH CHECK PLUG-IN RCE (CVE-2021-21985) https://github.com/sknux/CVE-2021-21985_PoCPOC Details
11Nonehttps://github.com/haidv35/CVE-2021-21985POC Details
12The vSphere Client (HTML5) contains a remote code execution vulnerability due to lack of input validation in the Virtual SAN Health Check plug-in which is enabled by default in vCenter Server. A malicious actor with network access to port 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-21985.yamlPOC Details
13vmware vCenter unauth RCE cve-2021-21985https://github.com/chaitin/xray-plugins/blob/main/poc/manual/vmware-vcenter-cve-2021-21985-rce.ymlPOC Details
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III. Intelligence Information for CVE-2021-21985
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