CVE-2018-9276
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…
Browse: All 2018 CVEs · All vendors
- CVSS score
- 7.2 High
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H- CISA KEV
- Yes — actively exploited (added 2025-02-04, remediation due 2025-02-25)
- Weakness (CWE)
- CWE-78
- Published
- 2018-07-02
- Last modified
- 2026-06-17
- NVD status
- Analyzed
Description
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.
Affected products
- paessler prtg network monitor
Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.
Required action (CISA)
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Federal remediation deadline: 2025-02-25.
How to prioritize this
This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score.
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
FAQ
Is CVE-2018-9276 actively exploited?
Yes. CISA added CVE-2018-9276 to its Known Exploited Vulnerabilities (KEV) catalog on 2025-02-04, with a federal remediation deadline of 2025-02-25. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.
What is the CVSS score of CVE-2018-9276?
CVE-2018-9276 has a CVSS base score of 7.2 (High). Its vector string is CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Related vulnerabilities
- CVE-2018-19410 — Paessler PRTG Network Monitor
- CVE-2026-73570 — Synacor Zimbra Collaboration Suite (ZCS)
- CVE-2026-16812 — Arista VeloCloud Orchestrator
- CVE-2026-25089 — Fortinet FortiSandbox
- CVE-2026-39808 — Fortinet FortiSandbox
- CVE-2026-10520 — Ivanti Sentry
Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.
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