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Vulnerability record · CVE-2020-10374 · published 30 March 2020

CVE-2020-10374: Paessler prtg network monitor improper input validation vulnerability

Paessler · Prtg Network Monitor

A webserver component in Paessler PRTG Network Monitor 19.2.50 to PRTG 20.1.56 allows unauthenticated remote command execution via a crafted POST request or the what parameter of the screenshot function in the Contact Support form.

9.8 CVSS 3.1 Critical EPSS 4.7% · top 8.6% CWE-20 · Improper input validation
9.8CVSS 3.1 base score, v2 7.5
4.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

A webserver component in Paessler PRTG Network Monitor 19.2.50 to PRTG 20.1.56 allows unauthenticated remote command execution via a crafted POST request or the what parameter of the screenshot function in the Contact Support form.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://kb.paessler.com/en/topic/87668-how-can-i-mitigate-cve-2020-10374-until-i-can-update MitigationVendor Advisory
https://tehtris.com/en/rce-on-prtg-network-monitor-tehtris-pentest/
https://www.paessler.com/prtg/history/stable#20.1.57.1745 Vendor Advisory
https://kb.paessler.com/en/topic/87668-how-can-i-mitigate-cve-2020-10374-until-i-can-update MitigationVendor Advisory
https://tehtris.com/en/rce-on-prtg-network-monitor-tehtris-pentest/
https://www.paessler.com/prtg/history/stable#20.1.57.1745 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2018-19410PRTG Network Monitor unauthenticated local file inclusion enables admin user creationPRTG Network Monitor before 18.2.40.1683 lets an unauthenticated remote attacker abuse the 'include' directive in /public/login.htm to perform local …KEVEPSS 98%analysed7.2CVE-2018-9276PRTG Network Monitor OS Command Injection via Malformed ParametersPRTG Network Monitor before 18.2.39 contains an OS command injection flaw (CWE-78) reachable through malformed parameters in sensor or notification m…KEVEPSS 87%analysed8.8CVE-2023-31452Paessler prtg network monitor cross-site request forgery vulnerabilityA cross-site request forgery (CSRF) token bypass was identified in PRTG 23.2.84.1566 and earlier versions that allows remote attackers to perform act…EPSS 0.65%8.8CVE-2018-19411Paessler prtg network monitor improper privilege management vulnerabilityPRTG Network Monitor before 18.2.40.1683 allows an authenticated user with a read-only account to create another user with a read-write account (incl…EPSS 0.87%8.8CVE-2018-19204Paessler prtg network monitor improper input validation vulnerabilityPRTG Network Monitor before 18.3.44.2054 allows a remote authenticated attacker (with read-write privileges) to execute arbitrary code and OS command…EPSS 4.6%7.5CVE-2018-19203Paessler prtg network monitor vulnerabilityPRTG Network Monitor before 18.2.41.1652 allows remote unauthenticated attackers to terminate the PRTG Core Server Service via a special HTTP request.EPSS 2.8%7.5CVE-2018-10253Paessler prtg network monitor memory buffer overflow vulnerabilityPaessler PRTG Network Monitor before 18.1.39.1648 mishandles stack memory during unspecified API calls.EPSS 7.4%7.2CVE-2023-32781Paessler prtg network monitor command injection vulnerabilityA command injection vulnerability was identified in PRTG 23.2.84.1566 and earlier versions in the HL7 sensor where an authenticated user with write p…EPSS 14%

Source: NIST National Vulnerability Database (record CVE-2020-10374), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.