9.9
CRITICAL
CVE-2023-42657
"WS_FTP Server Directory Traversal Vulnerability"
Description

In WS_FTP Server versions prior to 8.7.4 and 8.8.2, a directory traversal vulnerability was discovered.  An attacker could leverage this vulnerability to perform file operations (delete, rename, rmdir, mkdir) on files and folders outside of their authorized WS_FTP folder path.  Attackers could also escape the context of the WS_FTP Server file structure and perform the same level of operations (delete, rename, rmdir, mkdir) on file and folder locations on the underlying operating system.

INFO

Published Date :

Sept. 27, 2023, 3:19 p.m.

Last Modified :

Sept. 29, 2023, 2:34 p.m.

Remotely Exploitable :

Yes !

Impact Score :

6.0

Exploitability Score :

3.1
Affected Products

The following products are affected by CVE-2023-42657 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
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-2023-42657.

URL Resource
https://community.progress.com/s/article/WS-FTP-Server-Critical-Vulnerability-September-2023 Vendor Advisory
https://www.progress.com/ws_ftp Product

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).

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

The following list is the news that have been mention CVE-2023-42657 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-42657 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 Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Sep. 29, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
    Changed Reference Type https://community.progress.com/s/article/WS-FTP-Server-Critical-Vulnerability-September-2023 No Types Assigned https://community.progress.com/s/article/WS-FTP-Server-Critical-Vulnerability-September-2023 Vendor Advisory
    Changed Reference Type https://www.progress.com/ws_ftp No Types Assigned https://www.progress.com/ws_ftp Product
    Added CWE NIST CWE-22
    Added CPE Configuration OR *cpe:2.3:a:progress:ws_ftp_server:*:*:*:*:*:*:*:* versions up to (excluding) 8.7.4 *cpe:2.3:a:progress:ws_ftp_server:*:*:*:*:*:*:*:* versions from (including) 8.8.0 up to (excluding) 8.8.2
  • CVE Modified by [email protected]

    Sep. 27, 2023

    Action Type Old Value New Value
    Changed Description In WS_FTP Server version 8.7.0 prior to 8.7.4 and version 8.8.0 prior to 8.8.2, a directory traversal vulnerability was discovered.  An attacker could leverage this vulnerability to perform file operations (delete, rename, rmdir, mkdir) on files and folders outside of their authorized WS_FTP folder path.  Attackers could also escape the context of the WS_FTP Server file structure and perform the same level of operations (delete, rename, rmdir, mkdir) on file and folder locations on the underlying operating system. In WS_FTP Server versions prior to 8.7.4 and 8.8.2, a directory traversal vulnerability was discovered.  An attacker could leverage this vulnerability to perform file operations (delete, rename, rmdir, mkdir) on files and folders outside of their authorized WS_FTP folder path.  Attackers could also escape the context of the WS_FTP Server file structure and perform the same level of operations (delete, rename, rmdir, mkdir) on file and folder locations on the underlying operating system.
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.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-42657 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.08 }} 0.02%

score

0.33101

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
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Scope
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Integrity
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