Improper access control in FTP Server - CVE-2020-5196

 

Improper access control in FTP Server - CVE-2020-5196

Published: January 17, 2020


Vulnerability identifier: #VU24382
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2020-5196
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cerberus
Affected software:
FTP Server

Detailed vulnerability description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the "zip" and "unzip" functions in the FTP Server Enterprise Edition. A remote authenticated attacker can bypass the create directory, display hidden, list directories, and list files permissions, leading to creating directories or viewing hidden information.


How to mitigate CVE-2020-5196

Install updates from vendor's website.

Sources