CVE-2025-41243— Spring Expression Language property modification using Spring Cloud Gateway Server WebFlux
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I. Basic Information for CVE-2025-41243
Vulnerability Information
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Vulnerability Title
Spring Expression Language property modification using Spring Cloud Gateway Server WebFlux
Source: NVD (National Vulnerability Database)
Vulnerability Description
Spring Cloud Gateway Server Webflux may be vulnerable to Spring Environment property modification. An application should be considered vulnerable when all the following are true: * The application is using Spring Cloud Gateway Server Webflux (Spring Cloud Gateway Server WebMVC is not vulnerable). * Spring Boot actuator is a dependency. * The Spring Cloud Gateway Server Webflux actuator web endpoint is enabled via management.endpoints.web.exposure.include=gateway. * The actuator endpoints are available to attackers. * The actuator endpoints are unsecured.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
表达式语言语句中使用的特殊元素转义处理不恰当(表达式语言注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Spring Cloud Gateway 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Spring Cloud Gateway是Spring开源的一款API网关框架。 Spring Cloud Gateway存在安全漏洞，该漏洞源于Spring环境属性可能被修改。
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)
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Spring | Cloud Gateway | 4.3.x ~ 4.3.1 | - |
II. Public POCs for CVE-2025-41243
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Spring Cloud Gateway Server Webflux contains a vulnerability caused by unsecured and exposed actuator endpoints allowing modification of Spring Environment properties, letting attackers modify configuration, exploit requires unsecured actuator endpoints exposure. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-41243.yaml | POC Details |
| 2 | Spring Cloud Gateway SpEL RCE Vulnerability Environment | https://github.com/SFN233/CVE-2025-41243-Vulnerability-Lab | POC Details |
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IV. Related Vulnerabilities
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V. Comments for CVE-2025-41243
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