CVE-2018-19410 Paessler PRTG Network Monitor: software flaw
In plain words: A mistake in the software that attackers have found a way to abuse. Depends on the product — see the description and the vendor advisory.
Confirmed exploited by CISA on · US federal patch deadline Feb 25, 2025
What to do
- Install Paessler's security update for PRTG Network Monitor. If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Keep a list of every internet-facing server you run so nothing is forgotten.
- Patch anything in this catalog first, ahead of normal patch cycles.
- Put admin and file-transfer apps behind a VPN or single sign-on instead of the open internet.
Who is affected
Work IT. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.
What's at risk: Mass data theft and ransomware: a single flaw in a file-transfer or email server has exposed thousands of organisations at once.
The details
- Official name
- Paessler PRTG Network Monitor Local File Inclusion Vulnerability
- Product
- Paessler PRTG Network Monitor
- CISA description
- Paessler PRTG Network Monitor contains a local file inclusion vulnerability that allows a remote, unauthenticated attacker to create users with read-write privileges (including administrator).
- Type of flaw
- Software flaw
- Confirmed exploited
- Feb 4, 2025
- US federal patch deadline
- Feb 25, 2025
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Answering about CVE-2018-19410 ·
Questions about CVE-2018-19410
Is CVE-2018-19410 being exploited?
Yes. CISA added CVE-2018-19410 to its Known Exploited Vulnerabilities catalog on Feb 4, 2025, which means there is reliable evidence of real-world attacks.
How do I fix CVE-2018-19410?
Install Paessler's security update for PRTG Network Monitor. If no update exists, follow the vendor's workaround or stop using the product until one ships. Keep a list of every internet-facing server you run so nothing is forgotten.
Am I affected by CVE-2018-19410?
Only if you use Paessler PRTG Network Monitor. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.