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CVE-2021-22017

Quick assessment

Affected
n/a VMware vCenter Server, VMware Cloud Foundation
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Vmware 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 存在授权问题漏洞，该漏洞源于对URL规范化存在缺陷。远程攻击者可利用该漏洞发送一个特制的URL，绕过认证并访问内部端点。

AI Predicted 8.1 Difficulty: Moderate KEV EPSS 49.18% · P99

Public Exploits 1

Nuclei · 1 CVE-2021-22017.yaml [template]

Possible ATT&CK Techniques 1 AI

T1071 · Application Layer Protocol
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I. Basic Information for CVE-2021-22017

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Rhttproxy as used in vCenter Server contains a vulnerability due to improper implementation of URI normalization. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to bypass proxy leading to internal endpoints being accessed.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Vmware VMware vCenter Server 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vmware 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 存在授权问题漏洞，该漏洞源于对URL规范化存在缺陷。远程攻击者可利用该漏洞发送一个特制的URL，绕过认证并访问内部端点。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
- VMware vCenter Server, VMware Cloud Foundation VMware vCenter Server(6.7 before 6.7 U3o and 6.5 before 6.5 U3q) and VMware Cloud Foundation 3.x before 3.10.2.2 -

II. Public POCs for CVE-2021-22017

# POC Description Source Link Shenlong Link
1 Rhttproxy as used in vCenter Server contains a vulnerability due to improper implementation of URI normalization. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to bypass proxy leading to internal endpoints being accessed. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-22017.yaml POC Details
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III. Intelligence Information for CVE-2021-22017

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Vendor Advisories for CVE-2021-22017 (1)

Same Patch Batch · n/a · 2021-09-23 · 33 CVEs total

CVE-2021-22019 VMware vCenter Server 输入验证错误漏洞
CVE-2020-19951 YzmCMS v5.5/controller/pay.class.php组件 跨站请求伪造漏洞
CVE-2020-19950 YzmCMS 跨站脚本漏洞
CVE-2020-19949 Yzmcms 跨站脚本漏洞
CVE-2020-24327 Discourse 代码问题漏洞
CVE-2021-26794 FrogCMS 代码问题漏洞
CVE-2021-3824 Openvpn OpenVPN 跨站脚本漏洞
CVE-2021-21913 D-LINK DIR-3040 信任管理问题漏洞
CVE-2021-26750 Panda Security Antivirus代码问题漏洞
CVE-2021-22941 Citrix Systems Citrix ShareFile 安全漏洞
CVE-2021-22948 revive-adserver 安全特征问题漏洞
CVE-2021-22953 Concrete CMS 跨站请求伪造漏洞
CVE-2021-22952 UniFi Talk 代码注入漏洞
CVE-2021-22950 Concrete CMS 跨站请求伪造漏洞
CVE-2021-22949 Concrete CMS 跨站请求伪造漏洞
CVE-2021-22020 VMware vCenter Server 输入验证错误漏洞
CVE-2021-22015 VMware vCenter Server 安全漏洞
CVE-2021-22018 VMware vCenter Server权限许可和访问控制问题漏洞
CVE-2021-22016 Vmware VMware vCenter Server 跨站脚本漏洞
CVE-2021-22014 VMware vCenter Server 代码注入漏洞

Showing top 20 of 33 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: VMware vCenter Server, VMware Cloud Foundation
Same vendor: n/a

V. Comments for CVE-2021-22017

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