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CVE-2025-24895— AspNetCore Remote Authenticator for CIE3.0 授权问题漏洞

一分钟漏洞结论

影响对象
italia cie-aspnetcore
利用判断
存在公开或 AI PoC，应优先验证
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

AspNetCore Remote Authenticator for CIE3.0是Developers Italia开源的一个 CIE 3.0 的 AspNetCore 远程验证器。 AspNetCore Remote Authenticator for CIE3.0存在授权问题漏洞，该漏洞源于未正确验证SAML响应的签名。攻击者利用该漏洞可以冒充其他用户。

CVSS 9.1 · Critical EPSS 0.60% · P46
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一、 漏洞 CVE-2025-24895 基础信息

漏洞信息
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Vulnerability Title
SAML Response Signature Verification Bypass in CIE.AspNetCore.Authentication
来源: CVE Program / CVE List V5
Vulnerability Description
CIE.AspNetCore.Authentication is an AspNetCore Remote Authenticator for CIE 3.0. Authentication using Spid and CIE is based on the SAML2 standard which provides two entities: 1. Identity Provider (IDP): the system that authenticates users and provides identity information (SAML affirmation) to the Service Provider, in essence, is responsible for the management of the credentials and identity of users; 2. Service Provider (SP): the system that provides a service to the user and relies on the Identity Provider to authenticate the user, receives SAML assertions from the IdP to grant access to resources. The library cie-aspnetcore refers to the second entity, the SP, and implements the validation logic of SAML assertions within SAML responses. In affected versions there is no guarantee that the first signature refers to the root object, it follows that if an attacker injects an item signed as the first element, all other signatures will not be verified. The only requirement is to have an XML element legitimately signed by the IdP, a condition that is easily met using the IdP's public metadata. An attacker could create an arbitrary SAML response that would be accepted by SPs using vulnerable SDKs, allowing him to impersonate any Spid and/or CIE user. This issue has been addressed in version 2.1.0 and all users are advised to upgrade. There are no known workarounds for this vulnerability.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
来源: CVE Program / CVE List V5
Vulnerability Title
AspNetCore Remote Authenticator for CIE3.0 授权问题漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
AspNetCore Remote Authenticator for CIE3.0是Developers Italia开源的一个 CIE 3.0 的 AspNetCore 远程验证器。 AspNetCore Remote Authenticator for CIE3.0存在授权问题漏洞，该漏洞源于未正确验证SAML响应的签名。攻击者利用该漏洞可以冒充其他用户。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

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受影响产品

厂商 产品 影响版本 CPE 订阅
italia cie-aspnetcore < 2.1.0 -

二、漏洞 CVE-2025-24895 的公开POC

# POC 描述 源链接 神龙链接
AI 生成 POC 已实测靶场 高级
Qwen3.6-35B-A3B · 7578 chars
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三、漏洞 CVE-2025-24895 的情报信息

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CVE-2025-24895 厂商安全公告 (1)

IV. Related Vulnerabilities

Same vendor: italia
Same weakness: CWE-287

V. Comments for CVE-2025-24895

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