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CVE-2018-19410

is CVE-2018-19410real, exploitable, or a false positive? Here's the community ground truth.

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Critical · CVSS 9.8EPSS 85.7%CISA KEV

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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).

References

NVD MITRE CVE.org CISA KEV

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Community ground truth

Community verdict

3 verdicts
Not a real issue

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Community real-world severity: Critical (Critical 3) — CVSS base score 9.8

In line with its CVSS base score.

Field notes & remediation

Verdicts are the quick signal — notes are the evidence and fixes behind them.

  • 0
    Field note · Hanna BergCurated

    Paessler PRTG Network Monitor Local File Inclusion Vulnerability — 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). Listed in the CISA KEV catalog (added 2025-02-04) — confirmed exploited in the wild, not theoretical. FIRST EPSS puts the chance of exploitation in the next 30 days at ~86%. Treat it as real and prioritize remediation over triage.

  • 0
    Remediation · Sam WhitakerCurated

    Required action for Paessler PRTG Network Monitor: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA set a federal remediation due date of 2025-02-25. After patching, verify the vulnerable path is no longer reachable before closing the finding.