Critical severity9.9NVD Advisory· Published Sep 27, 2023· Updated Jun 17, 2026
CVE-2023-42657
CVE-2023-42657
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.
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Affected products
3cpe:2.3:a:progress:ws_ftp_server:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:progress:ws_ftp_server:*:*:*:*:*:*:*:*range: <8.7.4
- (no CPE)range: <8.7.4 and <8.8.2
- (no CPE)range: 8.8.0
Patches
Vulnerability mechanics
References
2- community.progress.com/s/article/WS-FTP-Server-Critical-Vulnerability-September-2023nvdVendor Advisory
- www.progress.com/ws_ftpnvdProduct
News mentions
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