Vulnerability Details : CVE-2023-42657
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.
Vulnerability category: Directory traversal
Products affected by CVE-2023-42657
- cpe:2.3:a:progress:ws_ftp_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:progress:ws_ftp_server:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-42657
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 33 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-42657
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
9.6
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H |
3.1
|
5.8
|
NIST | |
9.9
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
3.1
|
6.0
|
Progress Software Corporation |
CWE ids for CVE-2023-42657
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by:
- nvd@nist.gov (Primary)
- security@progress.com (Secondary)
References for CVE-2023-42657
-
https://community.progress.com/s/article/WS-FTP-Server-Critical-Vulnerability-September-2023
Progress Customer CommunityVendor Advisory
-
https://www.progress.com/ws_ftp
WS_FTP - Secure FTP Server and Client SoftwareProduct
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