CVE-2020-36969CWE-863

M/Monit 3.7.4 - Privilege Escalation

High · published January 28, 2026

CVSS v4.0
8.7
EPSS
0%
Percentile
41.0
In the wild
Unconfirmed
What it is

⚡ An authenticated user can turn themselves into an admin with just one crafty POST request! This privilege escalation vulnerability in M/Monit 3.7.4 is surprisingly simple to exploit. 🔥 Think of it like a hotel staff member who manipulates the system to upgrade their access — all they need is to tweak their reservation details to get into the VIP lounge without proper clearance. If an attacker takes advantage of this vulnerability, they could gain full administrative access, allowing them to modify any user permissions and potentially take control of the system. This means they could access sensitive information, change configurations, or lock out legitimate admins. That's a security nightmare!

Put simply

Think of it like a hotel staff member who manipulates the system to upgrade their access — all they need is to tweak their reservation details to get into the VIP lounge without proper clearance. This vulnerability allows authenticated users to send a manipulated POST request to the /api/1/admin/users/update endpoint, changing user roles and granting themselves administrative access.

What to do

If an attacker takes advantage of this vulnerability, they could gain full administrative access, allowing them to modify any user permissions and potentially take control of the system. This means they could access sensitive information, change configurations, or lock out legitimate admins. That's a security nightmare! To protect yourself, update M/Monit to version 3.7.5 or later immediately. Additionally, review user permissions regularly and consider implementing stricter access control measures to prevent unauthorized modifications. Don't forget to monitor your API for unusual activities! You've got this! Stay vigilant, follow the steps, and you'll keep your system secure. 🛡️

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
0.00487 · 41.0th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-01-28T17:35Z
EPSS history
Timeline
  • 28 JAN 17:35Z
    M/Monit 3.7.4 - Privilege Escalation
    cvelistv5