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CVE-2025-41253— Spring Cloud Gateway Webflux SpEL Injection Vulnerability Allowing Exposure of Environment Variables

Quick assessment

Affected
VMware Spring Cloud Gateway Server Webflux
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.

Spring Cloud Gateway Server Webflux是Spring开源的一个网关服务器。 Spring Cloud Gateway Server Webflux存在安全漏洞，该漏洞源于Spring Expression Language可能暴露环境变量和系统属性，可能导致信息泄露。

CVSS 7.5 · High EPSS 0.48% · P39
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I. Basic Information for CVE-2025-41253

Vulnerability Information
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Vulnerability Title
Spring Cloud Gateway Webflux SpEL Injection Vulnerability Allowing Exposure of Environment Variables
Source: CVE Program / CVE List V5
Vulnerability Description
The following versions of Spring Cloud Gateway Server Webflux may be vulnerable to the ability to expose environment variables and system properties to attackers. 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). * An admin or untrusted third party using Spring Expression Language (SpEL) to access environment variables or system properties via routes. * An untrusted third party could create a route that uses SpEL to access environment variables or system properties if: * The Spring Cloud Gateway Server Webflux actuator web endpoint is enabled via management.endpoints.web.exposure.include=gateway and management.endpoint.gateway.enabled=trueor management.endpoint.gateway.access=unrestricte. * The actuator endpoints are available to attackers. * The actuator endpoints are unsecured.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
Vulnerability Title
Spring Cloud Gateway Server Webflux 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Spring Cloud Gateway Server Webflux是Spring开源的一个网关服务器。 Spring Cloud Gateway Server Webflux存在安全漏洞，该漏洞源于Spring Expression Language可能暴露环境变量和系统属性，可能导致信息泄露。
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
VMware Spring Cloud Gateway Server Webflux 3.1.x -

II. Public POCs for CVE-2025-41253

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III. Intelligence Information for CVE-2025-41253

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IV. Related Vulnerabilities

Same vendor: VMware
Same weakness: CWE-917

V. Comments for CVE-2025-41253

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