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CVE-2021-21980

Quick assessment

Affected
n/a VMware vCenter Server and VMware Cloud Foundation
Exploitation
Public or AI PoC available; prioritize validation
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 中存在信息泄露漏洞。该漏洞源于包含未经授权的任意文件读取漏洞。 对 vCenter Server 上的端口 443 具有网络访问权限的恶意行为者可能会利用此问题来获取对敏感信息的访问权限。

AI Predicted 7.5 Difficulty: Easy EPSS 4.60% · P91

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2021-21980

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The vSphere Web Client (FLEX/Flash) contains an unauthorized arbitrary file read vulnerability. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to gain access to sensitive information.
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 vCenter Server 信息泄露漏洞
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 中存在信息泄露漏洞。该漏洞源于包含未经授权的任意文件读取漏洞。 对 vCenter Server 上的端口 443 具有网络访问权限的恶意行为者可能会利用此问题来获取对敏感信息的访问权限。
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 vCenter Server and VMware Cloud Foundation VMware vCenter Server (6.7 before 6.7 U3p and 6.5 before 6.5 U3r) and VMware Cloud Foundation 3.x -

II. Public POCs for CVE-2021-21980

# POC Description Source Link Shenlong Link
1 A vulnerability scanner that detects CVE-2021-21980 vulnerabilities. https://github.com/Osyanina/westone-CVE-2021-21980-scanner POC Details
2 Nuclei Template and Mock Server for CVE-2021-21980 (vSphere Path Traversal) https://github.com/pkxk5pr6m2-web/cve-2021-21980-nuclei-poc POC Details
3 Nuclei Template and Mock Server for CVE-2021-21980 (vSphere Path Traversal) https://github.com/gui2000guix-ui/cve-2021-21980-nuclei-poc POC Details
4 CVE-2021-21980 https://github.com/gui2000guix-ui/cve-2021-21980-mock-server POC Details
5 Realistic vulnerable lab for CVE-2021-21980 (VMware vSphere Path Traversal) - Actual file exploitation, not a mock server https://github.com/pratikjojode/vcenter-cve-2021-21980-lab POC Details
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III. Intelligence Information for CVE-2021-21980

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Vendor Advisories for CVE-2021-21980 (1)

Same Patch Batch · n/a · 2021-11-24 · 5 CVEs total

CVE-2021-44219 Gin-Vue-Admin 安全漏洞
CVE-2021-22957 Ubiquiti Networks UniFi Protect 安全漏洞
CVE-2021-22049 VMware vCenter Server 代码问题漏洞
CVE-2021-43268 Wind River VxWorks 资源管理错误漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2021-21980

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