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CVE-2021-20114

Quick assessment

Affected
n/a TCExam
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.

Tecnick.com TCExam是英国Tecnick.com公司的一套基于Web的开源电子考试系统。该系统主要用于在线考试等。 TCExam 存在信息泄露漏洞，该漏洞源于默认设置中的访问限制错误。远程攻击者可利用该漏洞访问缓存备份目录，其中包括敏感的数据库备份文件。该漏洞允许远程攻击者获得未经授权的访问权限。

AI Predicted 7.5 Difficulty: Trivial EPSS 5.97% · P93

Public Exploits 1

Nuclei · 1 CVE-2021-20114.yaml [template]

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2021-20114

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
When installed following the default/recommended settings, TCExam <= 14.8.1 allowed unauthenticated users to access the /cache/backup/ directory, which included sensitive database backup files.
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
Tecnick.com TCExam 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tecnick.com TCExam是英国Tecnick.com公司的一套基于Web的开源电子考试系统。该系统主要用于在线考试等。 TCExam 存在信息泄露漏洞，该漏洞源于默认设置中的访问限制错误。远程攻击者可利用该漏洞访问缓存备份目录，其中包括敏感的数据库备份文件。该漏洞允许远程攻击者获得未经授权的访问权限。
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
- TCExam 14.8.1 -

II. Public POCs for CVE-2021-20114

# POC Description Source Link Shenlong Link
1 When installed following the default/recommended settings, TCExam <= 14.8.1 allowed unauthenticated users to access the /cache/backup/ directory, which includes sensitive database backup files. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-20114.yaml POC Details
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III. Intelligence Information for CVE-2021-20114

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Other References for CVE-2021-20114 (1)

Same Patch Batch · n/a · 2021-07-29 · 18 CVEs total

CVE-2021-23418 6.3 MEDIUM XML External Entity (XXE) Injection
CVE-2020-18158 HuCart 跨站脚本漏洞
CVE-2021-31799 Ruby 命令注入漏洞
CVE-2021-30124 Microsoft Visual Studio Code 命令注入漏洞
CVE-2021-36386 Fetchmail 资源管理错误漏洞
CVE-2020-22761 Flatpress 跨站请求伪造漏洞
CVE-2020-22765 Vinades NukeViet 跨站脚本漏洞
CVE-2020-21808 Vinades NukeViet SQL注入漏洞
CVE-2020-21809 Vinades NukeViet SQL注入漏洞
CVE-2020-18157 Metinfo 跨站请求伪造漏洞
CVE-2021-20113 Tecnick.com TCExam 信息泄露漏洞
CVE-2020-18175 Metinfo MetInfo SQL注入漏洞
CVE-2021-36621 SourceCodester Online Covid Vaccination Scheduler System SQL注入漏洞
CVE-2021-36624 SourceCodester Phone Shop Sales Managements System SQL注入漏洞
CVE-2021-37144 CSZ CMS 安全漏洞
CVE-2021-20111 Tecnick.com TCExam 跨站脚本漏洞
CVE-2021-20112 Tecnick.com TCExam 跨站脚本漏洞

IV. Related Vulnerabilities

Same product: TCExam
Same vendor: n/a

V. Comments for CVE-2021-20114

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