6.5
MEDIUM CVSS 3.1
CVE-2024-9999
Multi-Factor Authentication Bypass in Progress WS_FTP Server
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.

INFO

Published Date :

Nov. 12, 2024, 5:15 p.m.

Last Modified :

April 15, 2026, 12:35 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2024-9999 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Progress ws_ftp_server
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
Public PoC/Exploit Available at Github

CVE-2024-9999 has a 30 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2024-9999.

URL Resource
https://community.progress.com/s/article/WS-FTP-Server-Service-Pack-November-2024
https://www.progress.com/ftp-server
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-9999 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2024-9999 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

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Updated: 3 days, 19 hours ago
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Updated: 2 months, 1 week ago
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Born at : March 18, 2026, 11:24 a.m. This repo has been linked 4 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-9999 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-9999 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Received by [email protected]

    Nov. 12, 2024

    Action Type Old Value New Value
    Added 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.
    Added Reference Progress Software Corporation https://community.progress.com/s/article/WS-FTP-Server-Service-Pack-November-2024 [No types assigned]
    Added Reference Progress Software Corporation https://www.progress.com/ftp-server [No types assigned]
    Added CWE Progress Software Corporation CWE-303
    Added CVSS V3.1 Progress Software Corporation AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.