Improper Authentication in Serv-U FTP Server - CVE-2023-40060

 

Improper Authentication in Serv-U FTP Server - CVE-2023-40060

Published: September 5, 2023


Vulnerability identifier: #VU80430
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-40060
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to bypass MFA authentication.

The vulnerability exists due to an error in the authentication process. A remote user with administrative credentials can bypass multi-factor/two-factor authentication and gain unauthorized access to the application.

Note, the vulnerability exists due to incomplete patch for #VU79825 (CVE-2023-35179)


Affected software

Serv-U FTP Server
Orion Platform

How to mitigate CVE-2023-40060

Install updates from vendor's website.

Serv-U FTP Server - update to 15.4 HF2
Orion Platform - update to 2023.4

External References

Related Security Bulletins