CVE-2021-23018
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I. Basic Information for CVE-2021-23018
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Intra-cluster communication does not use TLS. The services within the NGINX Controller 3.x before 3.4.0 namespace are using cleartext protocols inside the cluster.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
敏感数据的明文传输
Source: NVD (National Vulnerability Database)
Vulnerability Title
Nginx 控制器 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
F5 NGINX Controller是美国F5公司的一款用于NGINX的集中式监视和管理平台。该平台支持使用可视化界面管理多个NGINX实例。 F5 NGINX Controller存在安全漏洞，该漏洞源于集群内通信不使用TLS，NGINX控制器3中的服务在3.4.0之前的命名空间在集群内使用明文协议。攻击者可利用该漏洞读取和修改在受影响控制器内管理的服务之间发送的数据。
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 |
|---|---|---|---|---|
| - | Nginx Controller | "3.x before 3.4.0" | - |
II. Public POCs for CVE-2021-23018
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://support.f5.com/csp/article/K97002210x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-23018
Same Patch Batch · n/a · 2021-06-01 · 38 CVEs total
| CVE-2020-27748 | xdg-utils 安全漏洞 | |
| CVE-2020-26669 | Fastspot BigTree 跨站脚本漏洞 | |
| CVE-2020-26668 | Fastspot BigTree SQL注入漏洞 | |
| CVE-2021-31641 | CHIYU科技BF-630W 跨站脚本漏洞 | |
| CVE-2021-3412 | 3Scale 安全漏洞 | |
| CVE-2021-3516 | libxml2 资源管理错误漏洞 | |
| CVE-2021-20306 | Red Hat BPMN Editor 安全漏洞 | |
| CVE-2021-3515 | PostgreSQL 操作系统命令注入漏洞 | |
| CVE-2021-3495 | Kiali-operator 安全漏洞 | |
| CVE-2021-3543 | Red Hat, Inc. Nitro Enclaves内核驱动 资源管理错误漏洞 | |
| CVE-2020-26670 | Fastspot BigTree 操作系统命令注入漏洞 | |
| CVE-2021-23017 | F5 NGINX Controller 安全漏洞 | |
| CVE-2021-23021 | F5 NGINX Controller 安全漏洞 | |
| CVE-2021-23020 | NGINX控制器 安全特征问题漏洞 | |
| CVE-2021-23019 | F5 NGINX Controller 安全漏洞 | |
| CVE-2021-27828 | In4Velocity In4Suite ERP SQL注入漏洞 | |
| CVE-2021-25932 | Opennms Group OpenNMS 跨站脚本漏洞 | |
| CVE-2021-31684 | Github json-smart-v1 缓冲区错误漏洞 | |
| CVE-2021-32027 | PostgreSQL 输入验证错误漏洞 | |
| CVE-2021-3424 | Red Hat Single Sign-On 7安全漏洞 |
Showing top 20 of 38 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same weakness: CWE-319
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Plack::Middleware::Statsd versions before 0.9.0 for Perl may - CVE-2025-59852
HCL DFXAnalytics is affected by an Insufficient Transport - CVE-2026-7610
TRENDnet TEW-821DAP Firmware Update ssi cleartext transmissi - CVE-2026-42514
Sensitive Data Exposure Vulnerability in e-Sushrut HMIS
V. Comments for CVE-2021-23018
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