What is CVE-2023-42657?

CVE-2023-42657 is a critical-severity vulnerability in Progress Ws_ftp_server, classified under Path Traversal. CVSS score: 9.9/10. Published 2023-09-27.

How severe is CVE-2023-42657?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Path Traversal in Progress Ws_ftp_server

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 outsid…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.170 (96.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Progress Ws_ftp_server
Progress Software Corporation Ws_ftp Server — versions 8.8.0, 8.7.0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

security@progress.com (Product, product)
security@progress.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-42657?: CVE-2023-42657 is a critical-severity vulnerability in Progress Ws_ftp_server, classified under Path Traversal. CVSS score: 9.9/10. Published 2023-09-27.
How severe is CVE-2023-42657?: Critical severity. CVSS v3 base score is 9.9 out of 10.