CVE-2021-20139
Quick assessment
Affected
n/a Gryphon Tower router
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.
Gryphon Tower是Gryphon公司的一款无线路由器。 Gryphon Tower 路由器上的 controller_server 服务中存在安全漏洞，该漏洞允许同一网络上未经身份验证的远程攻击者可以通过向端口 9999 上的 controller_server 服务发送特制的恶意数据包，以 root 身份在设备上执行命令。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-20139
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An unauthenticated command injection vulnerability exists in the parameters of operation 3 in the controller_server service on Gryphon Tower routers. An unauthenticated remote attacker on the same network can execute commands as root on the device by sending a specially crafted malicious packet to the controller_server service on port 9999.
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
Gryphon Tower 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Gryphon Tower是Gryphon公司的一款无线路由器。 Gryphon Tower 路由器上的 controller_server 服务中存在安全漏洞，该漏洞允许同一网络上未经身份验证的远程攻击者可以通过向端口 9999 上的 controller_server 服务发送特制的恶意数据包，以 root 身份在设备上执行命令。
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 |
|---|---|---|---|---|
| - | Gryphon Tower router | <= 04.0004.12 (Current) | - |
|
II. Public POCs for CVE-2021-20139
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Same Patch Batch · n/a · 2021-12-09 · 26 CVEs total
| CVE-2021-21954 | Eufy Anker Eufy Homebase 操作系统命令注入漏洞 | |
| CVE-2021-41449 | Netgear 路径遍历漏洞 | |
| CVE-2021-20143 | Gryphon Tower 操作系统命令注入漏洞 | |
| CVE-2021-20144 | Gryphon Tower 操作系统命令注入漏洞 | |
| CVE-2021-20145 | Gryphon Tower 授权问题漏洞 | |
| CVE-2021-20146 | Gryphon Tower 安全漏洞 | |
| CVE-2021-41694 | Belloo 安全特征问题漏洞 | |
| CVE-2021-20140 | Gryphon Tower 操作系统命令注入漏洞 | |
| CVE-2021-20141 | Gryphon Tower 操作系统命令注入漏洞 | |
| CVE-2021-20142 | Gryphon Tower 操作系统命令注入漏洞 | |
| CVE-2021-20137 | Gryphon Tower 跨站脚本漏洞 | |
| CVE-2021-20138 | Gryphon Tower 操作系统命令注入漏洞 | |
| CVE-2021-41695 | Belloo SQL注入漏洞 | |
| CVE-2021-44514 | Zoho Corporation ManageEngine OpManager 授权问题漏洞 | |
| CVE-2021-21955 | Eufy Anker Eufy Homebase 授权问题漏洞 | |
| CVE-2021-41696 | Belloo 权限许可和访问控制问题漏洞 | |
| CVE-2021-41697 | Belloo 跨站脚本漏洞 | |
| CVE-2021-40279 | ZZCMS SQL注入漏洞 | |
| CVE-2021-40280 | ZZCMS SQL注入漏洞 | |
| CVE-2021-40281 | ZZCMS SQL注入漏洞 |
Showing top 20 of 26 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-20139
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