CVE-2021-42123— Missing Upload Filter in TopEase
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I. Basic Information for CVE-2021-42123
Vulnerability Information
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Vulnerability Title
Missing Upload Filter in TopEase
Source: NVD (National Vulnerability Database)
Vulnerability Description
Unrestricted File Upload in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27 in the File Upload Functions allows an authenticated remote attacker with Upload privileges to upload files with any file type, enabling client-side attacks.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
危险类型文件的不加限制上传
Source: NVD (National Vulnerability Database)
Vulnerability Title
Business-Dna Solution GmbH TopEase 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Business-Dna Solution GmbH TopEase是瑞士Business-Dna Solution GmbH公司的一种“转型风险”解决方案。用于全面、简单、快速和安全地管理复杂的项目和措施。 BAB TECHNOLOGIE GmbH eibPort 存在代码问题漏洞，该漏洞源于在 Business-DNA Solutions GmbH 的 TopEase平台版本 <= 7.1.27 的文件上传功能中运行的 Web 应用程序中的无限制文件上传允许具有上传权限的攻击者上传任何文件类型的文件，
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 |
|---|---|---|---|---|
| Business-DNA Solutions GmbH | TopEase | unspecified ~ 7.1.27 | - |
II. Public POCs for CVE-2021-42123
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://confluence.topease.ch/confluence/display/DOC/Release+Notesx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-42123
Same Patch Batch · Business-DNA Solutions GmbH · 2021-11-30 · 11 CVEs total
| CVE-2021-42115 | 8.1 HIGH | Missing HTTPOnly flag on sensitive cookie in TopEase |
| CVE-2021-42118 | 8.1 HIGH | Stored XSS in TopEase |
| CVE-2021-42545 | 8.1 HIGH | Insufficient Session Expiration in TopEase |
| CVE-2021-42544 | 7.5 HIGH | Lack of Rate limiting in Authentication in TopEase |
| CVE-2021-42119 | 7.3 HIGH | Stored XSS in Search Function in TopEase |
| CVE-2021-42120 | 6.5 MEDIUM | Missing Character Length (Denial of Service) in TopEase |
| CVE-2021-42116 | 4.3 MEDIUM | Unauthorized Menu Item Access in TopEase |
| CVE-2021-42121 | 4.3 MEDIUM | Denial of Service via Invalid Date Format in TopEase |
| CVE-2021-42122 | 4.3 MEDIUM | Denial of Service via Invalid Object Attribute in TopEase |
| CVE-2021-42117 | 3.5 LOW | UI Redressing in TopEase |
IV. Related Vulnerabilities
Same product: TopEase
- CVE-2021-42545
Insufficient Session Expiration in TopEase - CVE-2021-42544
Lack of Rate limiting in Authentication in TopEase - CVE-2021-42122
Denial of Service via Invalid Object Attribute in TopEase - CVE-2021-42121
Denial of Service via Invalid Date Format in TopEase - CVE-2021-42120
Missing Character Length (Denial of Service) in TopEase
Same vendor: Business-DNA Solutions GmbH
- CVE-2021-42545
Insufficient Session Expiration in TopEase - CVE-2021-42544
Lack of Rate limiting in Authentication in TopEase - CVE-2021-42122
Denial of Service via Invalid Object Attribute in TopEase - CVE-2021-42121
Denial of Service via Invalid Date Format in TopEase - CVE-2021-42120
Missing Character Length (Denial of Service) in TopEase
Same weakness: CWE-434
- CVE-2021-47943
TextPattern CMS 4.8.7 Remote Code Execution via File Upload - CVE-2021-47937
e107 CMS 2.3.0 Authenticated Remote Code Execution via Theme - CVE-2026-41517
Emlog: Remote Code Execution via Malicious Plugin Upload - CVE-2026-6692
Slider Revolution 7.0.0 - 7.0.10 - Authenticated (Subscriber - CVE-2026-41587
CI4MS: Unrestricted PHP File Upload via Theme Installation L
V. Comments for CVE-2021-42123
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