CVE-2021-30167CWE-522

MERIT LILIN ENT.CO.,LTD. P2/Z2/P3/Z3 IP camera - Broken Authentication

Critical · published April 28, 2021

CVSS v3.1
9.8
EPSS
2%
Percentile
84.2
In the wild
Unconfirmed
What it is

🚨 An authenticated attacker can exploit this vulnerability to gain control of your network cameras! 🔥 Think of this like a hotel guest who discovers a way to change their room key to access secure areas of the building — they can wander into private events and even take control of the front desk! An attacker could modify user information, escalate privileges, and ultimately control the device, leading to unauthorized access and potential surveillance. The consequences could be absolutely devastating, putting your privacy and security at risk!

Put simply

Think of this like a hotel guest who discovers a way to change their room key to access secure areas of the building — they can wander into private events and even take control of the front desk! CVE-2021-30167 allows authenticated remote attackers to manipulate URL parameters in the camera's user profile management, giving them the power to change user information and escalate privileges.

What to do

An attacker could modify user information, escalate privileges, and ultimately control the device, leading to unauthorized access and potential surveillance. The consequences could be absolutely devastating, putting your privacy and security at risk! To protect your devices, update to the latest firmware immediately, and ensure that users have the least privilege necessary. Review access logs for any unusual activity and consider implementing additional authentication measures. You've got this! With a few steps, you can secure your cameras and keep your data safe. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02443 · 84.2th percentile
Weakness
CWE-522 · Insufficiently Protected Credentials
Published
2021-04-28T09:30Z
EPSS history
Timeline
  • 28 APR 09:30Z
    MERIT LILIN ENT.CO.,LTD. P2/Z2/P3/Z3 IP camera - Broken Authentication
    cvelistv5