CVE-2022-41648CWE-1188

The HEIDENHAIN Controller TNC 640 NC software Version 340590 07 SP5, is vulnerable to improper authentication in its DNC communication for CNC machines

Critical · published October 28, 2022

CVSS v4.0
9.2
EPSS
1%
Percentile
55.6
In the wild
Unconfirmed
What it is

🚨 Improper authentication is the silent saboteur lurking in the TNC 640 software! This vulnerability can let an attacker waltz into your DNC communication and wreak havoc! 🔥 Think of it as a factory with unguarded access points. If the doors to the back are wide open, anyone can stroll in and tamper with the assembly line, disrupt production, or even make off with valuable blueprints. An attacker could deny service on the production line, causing catastrophic delays and financial losses. Even worse, they could steal sensitive data or alter products during manufacturing, leading to defective items making their way to customers. It's a recipe for disaster for any operation relying on CNC machines!

Put simply

Think of it as a factory with unguarded access points. If the doors to the back are wide open, anyone can stroll in and tamper with the assembly line, disrupt production, or even make off with valuable blueprints. This vulnerability in the HEIDENHAIN Controller TNC 640 software allows unauthorized access to DNC communication due to improper authentication settings, which are not enabled by default. This means attackers could exploit the system without needing any credentials.

What to do

An attacker could deny service on the production line, causing catastrophic delays and financial losses. Even worse, they could steal sensitive data or alter products during manufacturing, leading to defective items making their way to customers. It's a recipe for disaster for any operation relying on CNC machines! Immediately enable authentication for DNC communication in the TNC 640 software. It's also crucial to patch to the latest version available and regularly review system security settings to ensure they’re adequately configured. Don't wait! You've got this! Secure your production line and keep your operations running smoothly! 🛡️

The record
Technical detail
CVSS v4.0
9.2 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00784 · 55.6th percentile
Weakness
CWE-1188 · Initialization of a Resource with an Insecure Default
Published
2022-10-28T17:09Z
EPSS history
Timeline
  • 28 OCT 17:09Z
    The HEIDENHAIN Controller TNC 640 NC software Version 340590 07 SP5, is vulnerable to improper authentication in its DNC communication for CNC machines
    cvelistv5