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CISA KEV·Added 2025-02-04 — agencies required to remediate by 2025-02-25

CVE-2018-9276

HIGH

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…

Published
Jul 2, 2018
Updated
Nov 6, 2025
Affected
0 pkgs
Patched
None yet
Exploits
8 known

EPSS Exploitation Probability

via FIRST.org ↗
88.0%probability of exploitation in next 30 days
Very High Risk99th percentile0.00%
78.8%82.5%86.3%90.1%80.9%88.0%Dec 25Apr 26Jun 26

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

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

1 product · 2 configurations
Application
prtg network monitorpaessler
> 19.3.52 && < 21.2.68
range
Exploits & PoCs
8

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-46527webappswindows

PRTG Network Monitor 18.2.38 - (Authenticated) Remote Code Execution

by M4LV0 · Mar 11, 2019

Frequently Asked Questions

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.
O3 Security · Impact-Aware SCA

Is CVE-2018-9276 in your stack?

O3 detects CVE-2018-9276 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.