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.
Published 2023-09-27 15:19:33
Updated 2023-09-29 14:34:25
View at NVD,   CVE.org
Vulnerability category: Directory traversal

Products affected by CVE-2023-42657

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

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