一、 漏洞 CVE-2025-31161 基础信息
漏洞信息
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漏洞标题
N/A
来源：美国国家漏洞数据库 NVD
漏洞描述信息
CrushFTP 10 before 10.8.4 and 11 before 11.3.1 allows authentication bypass and takeover of the crushadmin account (unless a DMZ proxy instance is used), as exploited in the wild in March and April 2025, aka "Unauthenticated HTTP(S) port access." A race condition exists in the AWS4-HMAC (compatible with S3) authorization method of the HTTP component of the FTP server. The server first verifies the existence of the user by performing a call to login_user_pass() with no password requirement. This will authenticate the session through the HMAC verification process and up until the server checks for user verification once more. The vulnerability can be further stabilized, eliminating the need for successfully triggering a race condition, by sending a mangled AWS4-HMAC header. By providing only the username and a following slash (/), the server will successfully find a username, which triggers the successful anypass authentication process, but the server will fail to find the expected SignedHeaders entry, resulting in an index-out-of-bounds error that stops the code from reaching the session cleanup. Together, these issues make it trivial to authenticate as any known or guessable user (e.g., crushadmin), and can lead to a full compromise of the system by obtaining an administrative account.
来源：美国国家漏洞数据库 NVD
CVSS信息
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
来源：美国国家漏洞数据库 NVD
漏洞类别
使用基本弱点进行的认证绕过
来源：美国国家漏洞数据库 NVD
漏洞标题
CrushFTP 安全漏洞
来源：中国国家信息安全漏洞库 CNNVD
漏洞描述信息
CrushFTP是CrushFTP公司的一款文件传输服务器。 CrushFTP 10.8.4之前的10.x本和11.3.1之前的11.x版本存在安全漏洞，该漏洞源于认证绕过漏洞，可能导致账户接管。
来源：中国国家信息安全漏洞库 CNNVD
CVSS信息
N/A
来源：中国国家信息安全漏洞库 CNNVD
漏洞类别
其他
来源：中国国家信息安全漏洞库 CNNVD
二、漏洞 CVE-2025-31161 的公开POC
# POC 描述 源链接 神龙链接
1 Proof of Concept for CVE-2025-31161 / CVE-2025-2825 https://github.com/Immersive-Labs-Sec/CVE-2025-31161 POC详情
2 None https://github.com/llussiess/CVE-2025-31161 POC详情
3 CrushFTP versions 10.0.0 through 10.8.3 and 11.0.0 through 11.3.0 are affected by a vulnerability that may result in unauthenticated access. Remote and unauthenticated HTTP requests to CrushFTP may allow attackers to gain unauthorized access. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-31161.yaml POC详情
4 CrushFTP CVE-2025-31161 Exploit Tool 🔓 https://github.com/TX-One/CVE-2025-31161 POC详情
5 Official Nuclei template for CVE-2025-31161 (formerly CVE-2025-2825) https://github.com/SUPRAAA-1337/Nuclei_CVE-2025-31161_CVE-2025-2825 POC详情
6 CVE-2025-31161 python exploit https://github.com/SUPRAAA-1337/CVE-2025-31161_exploit POC详情
7 🛡️ CVE-2025-31161 - CrushFTP User Creation Authentication Bypass Exploit https://github.com/0xgh057r3c0n/CVE-2025-31161 POC详情
8 CVE-2025-31161 https://github.com/B1ack4sh/Blackash-CVE-2025-31161 POC详情
9 CrushFTP 11.3.1 - Authentication Bypass https://github.com/ibrahmsql/CVE-2025-31161 POC详情
10 None https://github.com/r0otk3r/CVE-2025-31161 POC详情
11 PoC CVE-2025-31161 - Authentication Bypass CrushFTP https://github.com/f4dee-backup/CVE-2025-31161 POC详情
12 Authentication bypass vulnerability in versions of the CrushFTP server. https://github.com/acan0007/CVE-2025-31161 POC详情
13 Scans target to see if its vulnerable to CVE-2025-31161 https://github.com/Teexo/CVE-2025-31161 POC详情
14 None https://github.com/0xDTC/CrushFTP-auth-bypass-CVE-2025-31161 POC详情
15 🛡️ CVE-2025-31161 - CrushFTP User Creation Authentication Bypass Exploit https://github.com/zr1p3r/CVE-2025-31161 POC详情
16 None https://github.com/cesarbtakeda/CVE-2025-31161 POC详情
三、漏洞 CVE-2025-31161 的情报信息
四、漏洞 CVE-2025-31161 的评论

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