CVE-2021-44735

Embedded web server command injection vulnerability in Lexmark devices through 2021-12-07

published January 20, 2022

CVSS
—
EPSS
7%
Percentile
94.2
In the wild
Unconfirmed
What it is

⚠️ An embedded web server is open to command injection in Lexmark devices! Just like a delivery driver blindly following faulty instructions, attackers could send commands that the server executes without question. 🔥 Think of it like a delivery service that allows anyone to change the destination of a package just by calling in and providing a new address. If the driver doesn't verify the request, that package could end up anywhere! In this case, a crafty attacker could exploit this vulnerability to execute arbitrary commands on the device's operating system. This could lead to unauthorized access, data manipulation, or even service disruption—a recipe for chaos!

Put simply

Think of it like a delivery service that allows anyone to change the destination of a package just by calling in and providing a new address. If the driver doesn't verify the request, that package could end up anywhere! This command injection vulnerability stems from the embedded web server in Lexmark devices, allowing attackers to send specially crafted HTTP requests that the server processes without sufficient validation.

What to do

In this case, a crafty attacker could exploit this vulnerability to execute arbitrary commands on the device's operating system. This could lead to unauthorized access, data manipulation, or even service disruption—a recipe for chaos! To mitigate this risk, make sure to update your Lexmark devices to the latest firmware version. Additionally, monitor network traffic for any suspicious requests and consider implementing stricter network access controls around these devices. This is fixable! Follow these steps and you'll bolster your defenses in no time. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.07025 · 94.2th percentile
Published
2022-01-20T16:07Z
EPSS history
Timeline
  • 20 JAN 16:07Z
    Embedded web server command injection vulnerability in Lexmark devices through 2021-12-07
    cvelistv5