CVE DATABASE / CVE-2018-9276
CVE-2018-9276
Paessler PRTG Network Monitor OS Command Injection Vulnerability
Confirmed exploited in the wild. Added 2025-02-04.
Federal remediation due 2025-02-25.
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Summary
An issue was discovered in PRTG Network Monitor before 18.2.39. An attacker who has access to the PRTG System Administrator web console with administrative privileges can exploit an OS command injection vulnerability (both on the server and on devices) by sending malformed parameters in sensor or notification management scenarios.
CVSS 3.1 breakdown
| Base score | 7.2 (HIGH) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | HIGH |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Use our free CVE Lookup tool for the latest NVD record, or browse the full CISA KEV catalog.
References
- http://packetstormsecurity.com/files/148334/PRTG-Command-Injection.html
- http://packetstormsecurity.com/files/161183/PRTG-Network-Monitor-Remote-Code-Execution.html
- http://www.securityfocus.com/archive/1/542103/100/0/threaded
- https://www.exploit-db.com/exploits/46527/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-9276
Data: NIST NVD + CISA KEV. NVD last modified 2025-11-06. Always verify against the vendor advisory before acting.