RULE(RULE ID:338956)

Rule General Information
Release Date: 2025-05-20
Rule Name: PRTG Network Monitor addusers Local File Inclusion Vulnerability (CVE-2018-19410)
Severity:
CVE ID:
Rule Protection Details
Description: PRTG Network Monitor before 18.2.40.1683 allows remote unauthenticated attackers to create users with read-write privileges (including administrator). A remote unauthenticated user can craft an HTTP request and override attributes of the 'include' directive in /public/login.htm and perform a Local File Inclusion attack, by including /api/addusers and executing it. By providing the 'id' and 'users' parameters, an unauthenticated attacker can create a user with read-write privileges (including administrator).
Impact: When the file operation function in the application that does not filter the file path effectively, an attacker can import the path of a file which contains malicious code, causing a file inclusion vulnerability and executing malicious code.
Affected OS: Windows, Linux, Others
Reference: https://www.ptsecurity.com/ww-en/analytics/threatscape/pt-2018-24/
https://www.ptsecurity.com/ww-en/analytics/threatscape/pt-2018-24/
Solutions
Please refer to announcements or patches release by the vendor: https://www.paessler.com/prtg/history/stable