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Exploited vulnerability · CISA KEV

Is CVE-2018-19410 exploited? Yes: in CISA KEV since 4 Feb 2025

Gociux · Paessler PRTG Network Monitor · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2018-19410, Paessler PRTG Network Monitor Local File Inclusion Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 4 Feb 2025, 2267 days after it was published. It affects Paessler PRTG Network Monitor. If you run it, CISA's required action is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

exploitedYesCISA KEV · 4 Feb 2025
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity9.8CVSS 3.1 · critical
US federal due25 Feb 2025BOD 22-01 deadline

What it is

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).

VendorPaessler (2 exploited CVEs in KEV)
ProductPRTG Network Monitor
VulnerabilityPaessler PRTG Network Monitor Local File Inclusion Vulnerability
Weaknessnot specified
Published21 Nov 2018
Added to KEV4 Feb 2025
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for PRTG Network Monitor in your asset inventory, including appliances and cloud images. Stack check lists every exploited Paessler CVE at once.
  2. Apply the fix. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 21 Nov 2018.
  4. Get told next time. Email alerts when CISA adds a CVE for Paessler.

Other exploited CVEs in PRTG Network Monitor

References

Questions

Is CVE-2018-19410 being exploited?

Yes. CISA added CVE-2018-19410 to the Known Exploited Vulnerabilities catalog on 4 Feb 2025, which means there is reliable evidence of exploitation in the wild.

Is CVE-2018-19410 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2018-19410?

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Check Paessler's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected PRTG Network Monitor and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in February 2025 · Paessler scorecard · act-now radar.

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