CVE-2020-36857CWE-89sql-injection

CVE-2020-36857

High · published October 31, 2025

CVSS v3.1
7.2
EPSS
2%
Percentile
82.9
In the wild
Unconfirmed
What it is

⚡ A crafty SQL injection lurks in Nagios XI versions prior to 5.6.14! If you’ve got admin access, you could be one bad input away from a database disaster! 🔥 Think of the SNMP Trap Interface as a restaurant kitchen where only the head chef (admin) is allowed in. But what if the chef can sneak in unapproved ingredients (malicious input) that the kitchen staff doesn’t check? That’s exactly how this vulnerability works! An attacker with administrative rights could use this sneaky SQL injection to read, modify, or even delete sensitive application data, leading to potential chaos in your system. Imagine a head chef rewriting the entire menu without anyone noticing—absolutely devastating for a restaurant!

Put simply

Think of the SNMP Trap Interface as a restaurant kitchen where only the head chef (admin) is allowed in. But what if the chef can sneak in unapproved ingredients (malicious input) that the kitchen staff doesn’t check? That’s exactly how this vulnerability works! This vulnerability allows an authenticated admin user to execute arbitrary SQL commands through the SNMP Trap Interface due to insufficient input sanitization, exposing the backend database to unauthorized access.

What to do

An attacker with administrative rights could use this sneaky SQL injection to read, modify, or even delete sensitive application data, leading to potential chaos in your system. Imagine a head chef rewriting the entire menu without anyone noticing—absolutely devastating for a restaurant! Upgrade Nagios XI to version 5.6.14 or later immediately to patch this vulnerability. Additionally, conduct an audit of your admin accounts to ensure proper access controls are in place. You've got this! A few updates and you'll have your system secure 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
0.02268 · 82.9th percentile
Weakness
CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Published
2025-10-31T02:15Z
Affected products (1)
ProductVersionsFixed in
nagios/nagios_xi< 5.6.145.6.14
References (3)
EPSS history
Timeline
  • 30 OCT 21:31Z
    Nagios XI < 5.6.14 Authenticated SQL Injection via SNMP Trap Interface Page
    cvelistv5