Path traversal in Serv-U FTP Server - CVE-2021-35250

 

Path traversal in Serv-U FTP Server - CVE-2021-35250

Published: March 3, 2022 / Updated: April 17, 2023


Vulnerability identifier: #VU60973
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2021-35250
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: SolarWinds
Affected software:
Serv-U FTP Server

Detailed vulnerability description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.


How to mitigate CVE-2021-35250

Install update from vendor's website.

Sources