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CVE-2018-19410

PRTG Network Monitor before 18.2.40.1683 allows remote unauthenticated attackers to create users with read-write privileges (including…

Critical9.8Known exploitedEPSS 97.9%
Published
Updated
Reserved
Assigned by
mitre

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).

Exploited in the wild

CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Paessler PRTG Network Monitor Local File Inclusion Vulnerability.

Added
4 Feb 2025
Fix due (US federal)
25 Feb 2025
Used by ransomware
Not known

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Scores

CVSS scores of CVE-2018-19410, by who scored it
Scored byCVSSScoreVector
CISA-ADPADP (enrichment)3.1Critical9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Analyzed3.1Critical9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
97.9% · top 0.1% of all CVEs (5 Nov 2026)
CISA SSVC
Exploitation: active · Automatable: yes · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.

Weakness

  • n/a
  • CWE-noinfo Not enough information

Affected products

  • n/a

    • affected n/a

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

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Record last updated .