CVE-2020-36859CWE-89

Nagios XI < 5.7.4 Core Config Manager (CCM) SQL Injection via Object Edit Pages

High · published October 30, 2025

CVSS v4.0
8.7
EPSS
1%
Percentile
59.8
In the wild
Unconfirmed
What it is

⚡ Watch out, Nagios XI users! A high-risk SQL injection vulnerability lurks in the object edit pages, and it’s just waiting for the right input to pounce! 🔥 Think of it like a restaurant where a customer can sneak in their own recipe into the kitchen. If the chefs aren’t careful, they might accidentally serve up a dish that’s all wrong — or worse, let the customer take over the whole kitchen! An attacker with an authenticated account could wield this vulnerability to gain unauthorized access to sensitive configuration information or even modify crucial application data. With the right moves, they could potentially compromise the backend database, setting the stage for a full-blown security disaster!

Put simply

Think of it like a restaurant where a customer can sneak in their own recipe into the kitchen. If the chefs aren’t careful, they might accidentally serve up a dish that’s all wrong — or worse, let the customer take over the whole kitchen! CVE-2020-36859 allows authenticated users to inject SQL fragments into queries used by the Core Config Manager in Nagios XI, due to unsanitized user input. This means if an attacker knows what to input, they could shape the SQL commands sent to the database.

What to do

An attacker with an authenticated account could wield this vulnerability to gain unauthorized access to sensitive configuration information or even modify crucial application data. With the right moves, they could potentially compromise the backend database, setting the stage for a full-blown security disaster! To safeguard your systems, patch Nagios XI to version 5.7.4 or upgrade to CCM 3.0.7 immediately. Additionally, review your user input validation practices to ensure no unsanitized inputs can sneak into your SQL queries. 🛡️ You've got this! Tackle this vulnerability head-on, and you’ll keep your Nagios XI environment safe and sound! 🚀

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
0.00914 · 59.8th 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 < 5.7.4 Core Config Manager (CCM) SQL Injection via Object Edit Pages
    cvelistv5