CVE-2022-31207

The Omron SYSMAC Cx product family PLCs (CS series, CJ series, and CP series) through 2022-05-18 lack cryptographic authentication

published July 26, 2022

CVSS
—
EPSS
1%
Percentile
62.4
In the wild
Unconfirmed
What it is

⚠️ A lack of cryptographic authentication in Omron's PLCs lets an attacker potentially send malicious commands, making the security risk surprisingly high! 🔥 Think of it like a restaurant kitchen where anyone can walk in and add ‘secret ingredients’ to the chef's recipe without anyone checking. Without proper authentication, the PLC is like that kitchen — wide open to unwanted changes! An attacker could manipulate the control logic sent to the PLC, leading to unauthorized executions of commands. This could disrupt operations, cause equipment malfunctions, or even lead to safety incidents if critical systems are affected. The stakes are high when we're talking about industrial control systems!

Put simply

Think of it like a restaurant kitchen where anyone can walk in and add ‘secret ingredients’ to the chef's recipe without anyone checking. Without proper authentication, the PLC is like that kitchen — wide open to unwanted changes! The vulnerability allows an attacker to bypass authentication in the FINS protocol, enabling them to load arbitrary object code to the PLC's memory. If this code is successfully executed, it can have significant control over the system's operations.

What to do

An attacker could manipulate the control logic sent to the PLC, leading to unauthorized executions of commands. This could disrupt operations, cause equipment malfunctions, or even lead to safety incidents if critical systems are affected. The stakes are high when we're talking about industrial control systems! To mitigate this vulnerability, ensure that your PLCs are updated with the latest firmware that addresses these authentication issues. Implement network segmentation and monitor traffic to detect any unauthorized access attempts. Strong access controls can also help reduce risk. You've got this! By taking these steps, you can help secure your systems and keep operations running smoothly. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00998 · 62.4th percentile
Published
2022-07-26T21:28Z
EPSS history
Timeline
  • 26 JUL 21:28Z
    The Omron SYSMAC Cx product family PLCs (CS series, CJ series, and CP series) through 2022-05-18 lack cryptographic authentication
    cvelistv5