CVE-2023-4419

The LMS5xx uses hard-coded credentials, which potentially allow low-skilled unauthorized remote attackers to reconfigure settings and /or disrupt the…

Critical · published August 24, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
60.7
In the wild
Unconfirmed
What it is

🚨 Hard-coded credentials in LMS5xx devices create an open door for unauthorized attackers! 🔥 Think of it as a hotel that never changed the master key code after the grand opening—anyone can waltz in and change room settings or disrupt services, making the entire place a mess! With this vulnerability, an attacker could easily reconfigure critical settings or even take the device offline entirely, leading to service disruptions that could be absolutely devastating to operations. Imagine a security system falling apart at a crucial moment—yikes!

Put simply

Think of it as a hotel that never changed the master key code after the grand opening—anyone can waltz in and change room settings or disrupt services, making the entire place a mess! The LMS5xx devices are vulnerable due to hard-coded credentials that allow unauthorized remote attackers to gain control without authentication, enabling them to alter configurations or disrupt functionality.

What to do

With this vulnerability, an attacker could easily reconfigure critical settings or even take the device offline entirely, leading to service disruptions that could be absolutely devastating to operations. Imagine a security system falling apart at a crucial moment—yikes! To secure your devices, change the hard-coded credentials immediately to something unique and complex. Additionally, consult the manufacturer for any firmware updates that might address this vulnerability. Strengthening your overall device security measures will also help! You’ve got this! Implement these steps, and you'll be well on your way to securing your devices! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00946 · 60.7th percentile
Published
2023-08-24T18:08Z
EPSS history
Timeline
  • 24 AUG 18:08Z
    The LMS5xx uses hard-coded credentials, which potentially allow low-skilled unauthorized remote attackers to reconfigure settings and /or disrupt the…
    cvelistv5