CVE-2021-21884CWE-78

An OS command injection vulnerability exists in the Web Manager SslGenerateCSR functionality of Lantronix PremierWave 2050 8.9.0.0R4

Critical · published December 22, 2021

CVSS v3.0
9.1
EPSS
5%
Percentile
92.5
In the wild
Unconfirmed
What it is

🚨 An OS command injection vulnerability lurking in the Web Manager SslGenerateCSR functionality of the Lantronix PremierWave 2050 means trouble! Just a crafted HTTP request can hand over the keys to your kingdom. 🔥 Think of it like a restaurant where a customer can sneak into the kitchen without anyone checking their ID. By simply placing an order through the front door, they can dictate exactly how the chefs prepare each dish, potentially ruining the evening for everyone. An attacker could execute arbitrary commands on the server, gaining control over the system and potentially accessing sensitive data or altering configurations. This could lead to a full system compromise, putting your entire network at risk and causing an absolute disaster for your operations.

Put simply

Think of it like a restaurant where a customer can sneak into the kitchen without anyone checking their ID. By simply placing an order through the front door, they can dictate exactly how the chefs prepare each dish, potentially ruining the evening for everyone. The vulnerability allows an attacker to exploit a flaw in how the PremierWave 2050 processes authenticated HTTP requests, leading to remote command execution without proper validation or restriction.

What to do

An attacker could execute arbitrary commands on the server, gaining control over the system and potentially accessing sensitive data or altering configurations. This could lead to a full system compromise, putting your entire network at risk and causing an absolute disaster for your operations. Upgrade to version 8.9.0.1R4 or later immediately to patch this vulnerability. Additionally, review your server's access controls and ensure that only validated inputs are accepted. It's crucial to monitor for any unintended access attempts as a precaution. You've got this! Follow these steps, and you'll be back in the safety zone in no time. 🛡️

The record
Technical detail
CVSS v3.0
9.1 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.05270 · 92.5th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2021-12-22T18:06Z
EPSS history
Timeline
  • 22 DEC 18:06Z
    An OS command injection vulnerability exists in the Web Manager SslGenerateCSR functionality of Lantronix PremierWave 2050 8.9.0.0R4
    cvelistv5