OS Command Injection in Serv-U FTP Server - CVE-2020-15541

 

OS Command Injection in Serv-U FTP Server - CVE-2020-15541

Published: February 12, 2021


Vulnerability identifier: #VU50665
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-15541
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Serv-U FTP Server

How to mitigate CVE-2020-15541

Install updates from vendor's website.

Serv-U FTP Server - update to 15.2.1

External References

Related Security Bulletins