CVE-2024-42469CWE-22

CometVisu Backend for openHAB affected by RCE through path traversal

Critical · published August 9, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
68.2
In the wild
Unconfirmed
What it is

🚨 An unsecured file system in openHAB’s CometVisu add-on is like leaving the front door wide open—anyone can waltz right in and take control! 🔥 Think of it like a hotel with rooms that anyone can access without a key. If someone can simply walk into the manager’s office, they could replace important documents with whatever they like, even slipping in something malicious. An attacker could overwrite files on your openHAB instance, potentially replacing a harmless script with a malicious one. This means they could execute code remotely at a later time, leading to a total takeover of your home automation system! This is absolutely devastating if exploited!

Put simply

Think of it like a hotel with rooms that anyone can access without a key. If someone can simply walk into the manager’s office, they could replace important documents with whatever they like, even slipping in something malicious. This vulnerability exists due to CometVisu's file system endpoints lacking authentication checks, paired with a path traversal vulnerability that allows unauthorized access to update files.

What to do

An attacker could overwrite files on your openHAB instance, potentially replacing a harmless script with a malicious one. This means they could execute code remotely at a later time, leading to a total takeover of your home automation system! This is absolutely devastating if exploited! Upgrade to openHAB version 4.2.1 immediately to close this security gap. Additionally, review your configuration to ensure all file system endpoints are properly secured and require authentication. Take these steps to safeguard your system! You've got this! Fix this vulnerability now and fortify your home automation fortress! 🛡️

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
0.01211 · 68.2th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2024-08-09T18:12Z
EPSS history
Timeline
  • 09 AUG 18:12Z
    CometVisu Backend for openHAB affected by RCE through path traversal
    cvelistv5