CVE-2021-21872CWE-78

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

Critical · published December 22, 2021

CVSS v3.0
9.9
EPSS
6%
Percentile
93.4
In the wild
Unconfirmed
What it is

🚨 An authenticated HTTP request turns into a golden key for command execution! This OS command injection vulnerability in Lantronix PremierWave 2050 allows attackers to execute arbitrary commands with just a crafty request. 🔥 Think of it like a hotel with a concierge who believes every ID presented to them without question — a guest could use any name to gain access to any room. In this case, the authenticated request is the ID that gets you into the most secure areas of the system. An attacker leveraging this vulnerability could run any command on the system, potentially compromising sensitive data, disrupting services, or gaining full control over the device. This presents an absolutely devastating risk for network infrastructure that relies on the affected device!

Put simply

Think of it like a hotel with a concierge who believes every ID presented to them without question — a guest could use any name to gain access to any room. In this case, the authenticated request is the ID that gets you into the most secure areas of the system. This vulnerability occurs within the Web Manager Diagnostics' Traceroute functionality, enabling arbitrary command execution through specially crafted HTTP requests from authenticated users.

What to do

An attacker leveraging this vulnerability could run any command on the system, potentially compromising sensitive data, disrupting services, or gaining full control over the device. This presents an absolutely devastating risk for network infrastructure that relies on the affected device! To protect against this vulnerability, immediately update the Lantronix PremierWave 2050 to version 8.9.0.0R5 or later. Additionally, review access controls and limit authenticated access to only trusted users. Regular security audits can help catch similar issues before they become critical risks. You've got this! By following these steps, you'll be taking a major leap towards securing your systems. 🛡️

The record
Technical detail
CVSS v3.0
9.9 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.06060 · 93.4th 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 Diagnostics: Traceroute functionality of Lantronix PremierWave 2050 8.9.0.0R4
    cvelistv5