CVE-2021-41419

QVIS NVR DVR before 2021-12-13 is vulnerable to Remote Code Execution via Java deserialization

published July 17, 2022

CVSS
—
EPSS
9%
Percentile
95.3
In the wild
Unconfirmed
What it is

🚨 A little piece of Java magic is causing big trouble! QVIS NVR DVR systems before December 2021 are vulnerable to Remote Code Execution through Java deserialization—it's like letting a magician pull anything out of a hat without checking what's inside! 🎩✨ Think of this vulnerability as a restaurant that serves takeout without checking what's in the boxes. An attacker can sneak in a recipe for disaster, leading to unexpected and harmful results once opened. This flaw allows an attacker to send specially crafted data that the system blindly accepts, leading to unauthorized code execution. This means they could potentially take control of the device, compromise sensitive information, or even disrupt operations—yikes!

Put simply

Think of this vulnerability as a restaurant that serves takeout without checking what's in the boxes. An attacker can sneak in a recipe for disaster, leading to unexpected and harmful results once opened. The vulnerability arises from Java deserialization, where an attacker can exploit how the system processes input data to execute arbitrary commands on the server, all without needing valid credentials.

What to do

This flaw allows an attacker to send specially crafted data that the system blindly accepts, leading to unauthorized code execution. This means they could potentially take control of the device, compromise sensitive information, or even disrupt operations—yikes! Update your QVIS NVR DVR to the latest version released after December 13, 2021, to patch this vulnerability. Additionally, review your configurations and apply security best practices for handling input data and deserialization processes. You've got this! With a quick update, you'll keep your systems safe and sound. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.09191 · 95.3th percentile
Published
2022-07-17T23:23Z
EPSS history
Timeline
  • 17 JUL 23:23Z
    QVIS NVR DVR before 2021-12-13 is vulnerable to Remote Code Execution via Java deserialization
    cvelistv5