CVE-2017-16726CWE-285

Beckhoff TwinCAT supports communication over ADS

published June 27, 2018

CVSS
β€”
EPSS
1%
Percentile
42.5
In the wild
Unconfirmed
What it is

⚠️ A crafty flaw in Beckhoff TwinCAT could open the door for attackers to send forged ADS packets! Think of it as a sneaky email that looks like it’s from your boss but is really a prankster trying to steal your lunch money. πŸ”πŸ’» Imagine you're at an exclusive restaurant where only certain people can place orders. Now, what if someone outside the restaurant could sneak in and send their own orders, pretending to be a chef? That's how an attacker can forge ADS packets when they can see legitimate traffic. If an attacker pulls this off, they could manipulate industrial communication, potentially leading to unauthorized control over automated systems. This could disrupt operations or even cause safety hazards in critical environments. The stakes are high!

Put simply

Imagine you're at an exclusive restaurant where only certain people can place orders. Now, what if someone outside the restaurant could sneak in and send their own orders, pretending to be a chef? That's how an attacker can forge ADS packets when they can see legitimate traffic. This vulnerability arises from the ADS protocol used by Beckhoff TwinCAT, which lacks encryption and allows attackers to observe legitimate ADS traffic and create fake packets to manipulate system controls.

What to do

If an attacker pulls this off, they could manipulate industrial communication, potentially leading to unauthorized control over automated systems. This could disrupt operations or even cause safety hazards in critical environments. The stakes are high! To mitigate this risk, ensure that your system is configured to filter ADS packets effectively. Regularly monitor network traffic for anomalies and consider implementing additional security measures across your industrial environment. πŸ”’ You've got this! By staying proactive, you can protect your automation systems and keep everything running smoothly. πŸ¦Έβ€β™‚οΈ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00508 Β· 42.5th percentile
Weakness
CWE-285 Β· Improper Authorization
Published
2018-06-27T19:00Z
EPSS history
Timeline
  • 27 JUN 19:00Z
    Beckhoff TwinCAT supports communication over ADS
    cvelistv5