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CVE-2018-19410: Paessler PRTG Network Monitor Local File Inclusion Vulnerability

criticalknown exploitedpublic exploitCVE-2018-19410
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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).

CSIRTS triage

vendor: Paesslerproduct: PRTG Network MonitorPath traversal
What
The vulnerability allows a remote, unauthenticated attacker to create users with read-write privileges.
Who is affected
Deployments of PRTG Network Monitor.
Urgency
Immediate remediation is necessary due to active exploitation and critical severity.
Action
Update to the latest version of PRTG Network Monitor.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2025-02-04
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2018-19410

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2018-19410coverage & exploitation statusNVD · CVE.org

Recent advisories for Paessler PRTG Network

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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