CVE-2021-21888CWE-78

An OS command injection vulnerability exists in the Web Manager SslGenerateCertificate functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU)

Critical · published December 22, 2021

CVSS v3.0
9.1
EPSS
4%
Percentile
90.2
In the wild
Unconfirmed
What it is

🚨 An authenticated HTTP request can unleash a world of chaos! This OS command injection vulnerability in Lantronix PremierWave 2050 allows attackers to execute arbitrary commands with a crafted request. 🔥 Think of this vulnerability like a hotel receptionist who mistakes a seemingly innocent request for room service as a secret passcode to access all the staff-only areas. If the request is crafted just right, the attacker can waltz right into places they shouldn't! An attacker could execute any command they desire, potentially compromising the entire system. This could lead to data theft, service disruption, or even full control over the device — absolutely devastating consequences for your network's integrity!

Put simply

Think of this vulnerability like a hotel receptionist who mistakes a seemingly innocent request for room service as a secret passcode to access all the staff-only areas. If the request is crafted just right, the attacker can waltz right into places they shouldn't! This OS command injection vulnerability exists within the Web Manager SslGenerateCertificate functionality, enabling an authenticated attacker to run commands on the server by sending specially crafted HTTP requests.

What to do

An attacker could execute any command they desire, potentially compromising the entire system. This could lead to data theft, service disruption, or even full control over the device — absolutely devastating consequences for your network's integrity! Immediately update your PremierWave 2050 to version 8.9.0.1R4 or later to patch this vulnerability. Additionally, review your authentication and access controls to ensure that only legitimate users can make administrative requests. 🛡️ You've got this! With these steps, you'll lock down your system and enhance its security 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
0.03885 · 90.2th 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 SslGenerateCertificate functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU)
    cvelistv5