Missing Authorization in PRTG Network Monitor - CVE-2018-19410

 

Missing Authorization in PRTG Network Monitor - CVE-2018-19410

Published: February 5, 2025 / Updated: March 2, 2026


Vulnerability identifier: #VU103630
CSH Severity: Critical
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-2018-19410
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild

Vulnerability details

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to missing authorization. A remote non-authenticated attacker can send a specially crafted HTTP request to application and create users with read-write privileges, including administrators.

Successful exploitation of the vulnerability may allow an attacker to compromise the affected system.


Affected software

PRTG Network Monitor

How to mitigate CVE-2018-19410

Install updates from vendor's website.

PRTG Network Monitor - update to 18.2.40.1683

External References

Related Security Bulletins