CVE-2021-27884
Quick assessment
Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Sean1025 YMFE YApi是 （Sean1025）开源的一个应用软件。提供一个可视化接口管理平台 YMFE YApi through 1.9.2 存在安全漏洞，该漏洞允许重新创建其他用户的JWT令牌。
Possible ATT&CK Techniques 1 AI
T1528 · Steal Application Access Token
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I. Basic Information for CVE-2021-27884
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Weak JSON Web Token (JWT) signing secret generation in YMFE YApi through 1.9.2 allows recreation of other users' JWT tokens. This occurs because Math.random in Node.js is used.
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
YMFE YApi 安全特征问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sean1025 YMFE YApi是 （Sean1025）开源的一个应用软件。提供一个可视化接口管理平台 YMFE YApi through 1.9.2 存在安全漏洞，该漏洞允许重新创建其他用户的JWT令牌。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-27884
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-27884 (1)
Other References for CVE-2021-27884 (1)
-
https://github.com/YMFE/yapi/issues/2117 x_refsource_MISC
Same Patch Batch · n/a · 2021-03-01 · 22 CVEs total
| CVE-2021-27878 | 8.8 HIGH | Veritas Backup Exec 安全漏洞 |
| CVE-2021-27877 | 8.2 HIGH | Veritas Backup Exec 安全漏洞 |
| CVE-2021-27876 | 8.1 HIGH | Veritas Backup Exec 安全漏洞 |
| CVE-2021-27225 | 5.4 MEDIUM | Dataiku Jupyter 访问控制错误漏洞 |
| CVE-2021-3332 | WPS Hide Login 安全漏洞 | |
| CVE-2021-27886 | Kazi Mehedi docker-web-gui 操作系统命令注入漏洞 | |
| CVE-2021-26704 | EPrints 安全漏洞 | |
| CVE-2021-26703 | EPrints 安全漏洞 | |
| CVE-2021-3342 | EPrints 操作系统命令注入漏洞 | |
| CVE-2021-26475 | EPrints 跨站脚本漏洞 | |
| CVE-2021-26476 | EPrints 安全漏洞 | |
| CVE-2021-26702 | EPrints 跨站脚本漏洞 | |
| CVE-2021-27317 | Doctor Appointment System version 跨站脚本漏洞 | |
| CVE-2021-27318 | Sourcecodesterk Doctor Appointment System 跨站脚本漏洞 | |
| CVE-2021-22114 | Spring-integration-zip 路径遍历漏洞 | |
| CVE-2021-25914 | object-collider 安全漏洞 | |
| CVE-2021-25833 | Dockerhub DocumentServer 路径遍历漏洞 | |
| CVE-2021-25832 | ONLYOFFICE Document Server 缓冲区错误漏洞 | |
| CVE-2021-25831 | Ascensio System ONLYOFFICE Document Server 安全漏洞 | |
| CVE-2021-25830 | Dockerhub Document Server 安全漏洞 |
Showing top 20 of 22 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-27884
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