CVE-2018-9276KEV · OVERDUE

Paessler PRTG Network Monitor OS Command Injection Vulnerability

High · published July 2, 2018

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 7.2. It is confirmed in active exploitation. It sits in the 99.7th percentile for exploit probability.

605
days past CISA
deadline
CVSS v3.1
7.2
EPSS
87%
Percentile
99.7
In the wild
Confirmed
What it is

⚡ An attacker with access to the PRTG System Administrator console can inject OS commands, turning their admin privileges into a launchpad for chaos! 🔥 Think of it like a restaurant chef who can whip up dishes but is careless enough to let a diner slip in their own secret ingredient — the kitchen runs wild with whatever that is! With this command injection vulnerability, a determined attacker could manipulate the system to execute arbitrary commands, leading to unauthorized data access, service disruptions, or even total control over the network infrastructure. The potential damage is not just a minor inconvenience — it could cripple your entire monitoring system!

Put simply

Think of it like a restaurant chef who can whip up dishes but is careless enough to let a diner slip in their own secret ingredient — the kitchen runs wild with whatever that is! This vulnerability allows attackers with administrative access to inject OS commands through malformed parameters during sensor or notification management, affecting both the PRTG server and connected devices.

What to do

With this command injection vulnerability, a determined attacker could manipulate the system to execute arbitrary commands, leading to unauthorized data access, service disruptions, or even total control over the network infrastructure. The potential damage is not just a minor inconvenience — it could cripple your entire monitoring system! To safeguard your system, upgrade PRTG Network Monitor to version 18.2.39 or later immediately. Regularly review access logs and limit administrative privileges to only necessary personnel to minimize risk. Additionally, consider implementing a firewall to monitor and control incoming traffic. You've got this! By taking these steps, you'll be fortifying your defenses in no time! 🛡️

The record
Technical detail
CVSS v3.1
7.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.86996 · 99.7th percentile
Published
2018-07-02T16:00Z
KEV added
2025-02-04 · due 2025-02-25
EPSS history
Timeline
  • 04 FEB 00:00Z
    Added to CISA KEV — remediate by Feb 25
    kev
  • 02 JUL 16:00Z
    An issue was discovered in PRTG Network Monitor before 18.2.39
    cvelistv5