CVE-2021-20113
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I. Basic Information for CVE-2021-20113
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An exposure of sensitive information vulnerability exists in TCExam <= 14.8.1. If a password reset request was made for an email address that was not registered with a user then we would be presented with an ‘unknown email’ error. If an email is given that is registered with a user then this error will not appear. A malicious actor could abuse this to enumerate the email addresses of
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
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，远程攻击者可利用该漏洞获得对系统敏感信息的未授权访问。
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-2021-20113
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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- https://www.tenable.com/security/research/tra-2021-32x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-20113
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-2021-20114 | 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
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- CVE-2026-4169
Tecnick TCExam XML Export tce_xml_users.php F_xml_export_use - CVE-2026-4168
Tecnick TCExam Group tce_edit_group.php cross site scripting - CVE-2025-23176
Tecnick – CWE-89: Improper Neutralization of Special Elemen - CVE-2025-23175
Tecnick - Multiple XSS (CWE-79) - CVE-2024-47926
Tecnick TCExam – CWE-89: Improper Neutralization of Special
Same vendor: n/a
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Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
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Open5GS SMF OpenAPI_list_create denial of service
V. Comments for CVE-2021-20113
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