CVE-2021-47693CWE-89

Nagios XI < 5.8.5 Core Config Manager (CCM) SQL Injection via Improper Escaping in Search Text

High · published October 30, 2025

CVSS v4.0
8.7
EPSS
1%
Percentile
66.0
In the wild
Unconfirmed
What it is

⚡ A crafty SQL injection hides in Nagios XI, ready to unleash chaos if left unchecked! Think of it like an office printer that allows anyone with access to change the settings — a sneaky employee can not only print their own documents but can also alter the printer's configuration to disrupt everyone else’s printing jobs! This isn't just a simple mischief; an attacker could change vital application data or expose sensitive configuration info, leading to unauthorized access and potential backend database breaches. The implications could be absolutely devastating for your system's integrity and security!

Put simply

Think of it like an office printer that allows anyone with access to change the settings — a sneaky employee can not only print their own documents but can also alter the printer's configuration to disrupt everyone else’s printing jobs! The vulnerability in the Core Config Manager (CCM) allows authenticated users to inject malicious SQL fragments into queries due to improper input handling, which can lead to unauthorized data disclosure or manipulation.

What to do

This isn't just a simple mischief; an attacker could change vital application data or expose sensitive configuration info, leading to unauthorized access and potential backend database breaches. The implications could be absolutely devastating for your system's integrity and security! Upgrade Nagios XI to version 5.8.5 or patch Core Config Manager to version 3.1.3 immediately to close this loophole. It's crucial to review your user access and ensure least privilege principles are in place to minimize risks. 🛡️ You've got this! Follow these steps, and you’ll have your defenses up in no time! 🚀

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.01127 · 66.0th percentile
Weakness
CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Published
2025-10-30T21:33Z
EPSS history
Timeline
  • 30 OCT 21:33Z
    Nagios XI < 5.8.5 Core Config Manager (CCM) SQL Injection via Improper Escaping in Search Text
    cvelistv5