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CVE-2024-9999— Multi-Factor Authentication Bypass in Progress WS_FTP Server

Quick assessment

Affected
Progress Software Corporation WS_FTP Server
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.

Progress Software WS_FTP Server是美国Progress Software公司的一个有效的、高度可管理的 FTP 服务器。 Progress Software WS_FTP Server 8.8.9之前版本存在安全漏洞，该漏洞源于Web Transfer Module中的身份验证算法实现不正确，导致用户可以跳过第二因素验证，仅使用用户名和密码登录。

CVSS 6.5 · Medium EPSS 0.41% · P36

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2024-9999

Vulnerability Information
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Vulnerability Title
Multi-Factor Authentication Bypass in Progress WS_FTP Server
Source: CVE Program / CVE List V5
Vulnerability Description
In WS_FTP Server versions before 8.8.9 (2022.0.9), an Incorrect Implementation of Authentication Algorithm in the Web Transfer Module allows users to skip the second-factor verification and log in with username and password only.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证算法的不正确实现
Source: CVE Program / CVE List V5
Vulnerability Title
Progress Software WS_FTP Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Progress Software WS_FTP Server是美国Progress Software公司的一个有效的、高度可管理的 FTP 服务器。 Progress Software WS_FTP Server 8.8.9之前版本存在安全漏洞，该漏洞源于Web Transfer Module中的身份验证算法实现不正确，导致用户可以跳过第二因素验证，仅使用用户名和密码登录。
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
Progress Software Corporation WS_FTP Server 0 ~ 8.8.9 -

II. Public POCs for CVE-2024-9999

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III. Intelligence Information for CVE-2024-9999

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Vendor Pages for CVE-2024-9999 (1)

IV. Related Vulnerabilities

Same product: WS_FTP Server
Same vendor: Progress Software Corporation
Same weakness: CWE-303