CVE-2022-1161CWE-829

ICSA-22-090-05 Rockwell Automation Logix Controllers

Critical · published April 11, 2022

CVSS v3.1
10.0
EPSS
5%
Percentile
92.5
In the wild
Unconfirmed
What it is

🔥 An attacker with a little access can change the user program code on ControlLogix and CompactLogix systems without a trace! Think of it like a chef who can alter a restaurant’s recipe while the dish is cooking, but the final plate stays the same—diners are completely unaware there's a secret ingredient that could ruin the meal! This vulnerability allows an attacker to modify user program code while leaving the compiled code intact. The consequences could be absolutely devastating, potentially leading to malfunctioning systems, unauthorized access to sensitive controls, or even safety hazards in industrial processes—imagine machinery operating on faulty commands!

Put simply

Think of it like a chef who can alter a restaurant’s recipe while the dish is cooking, but the final plate stays the same—diners are completely unaware there's a secret ingredient that could ruin the meal! CVE-2022-1161 exploits the fact that Studio 5000 Logix Designer writes user-readable program code to a different location than its executed compiled counterpart, allowing for deceptive modifications.

What to do

This vulnerability allows an attacker to modify user program code while leaving the compiled code intact. The consequences could be absolutely devastating, potentially leading to malfunctioning systems, unauthorized access to sensitive controls, or even safety hazards in industrial processes—imagine machinery operating on faulty commands! To safeguard against this, ensure that your systems are updated to the latest versions of Studio 5000 and restrict access to authorized personnel only. Conduct regular audits of program codes to verify integrity and implement monitoring to detect unauthorized changes. You've got this! Protect your systems, and you'll keep everything running smoothly! 🛡️

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.05213 · 92.5th percentile
Weakness
CWE-829 · Inclusion of Functionality from Untrusted Control Sphere
Published
2022-04-11T19:38Z
EPSS history
Timeline
  • 11 APR 19:38Z
    ICSA-22-090-05 Rockwell Automation Logix Controllers
    cvelistv5