CVE-2021-27388CWE-20

SINAMICS medium voltage routable products are affected by a vulnerability in the Sm@rtServer component for remote access that could allow an unauthenticated…

published June 15, 2021

CVSS
—
EPSS
2%
Percentile
74.8
In the wild
Unconfirmed
What it is

⚠️ Unauthenticated attacks are possible! A vulnerability in the Sm@rtServer component allows attackers to disrupt and slightly control SINAMICS Medium Voltage products — a potential snooze-fest for your systems! 🔌 Think of it like a restaurant where a customer can walk in, mess with the kitchen settings, or even disrupt the food orders without a reservation. It's an unwelcome guest causing chaos without being noticed until it's too late! An attacker could bring your operations to a halt with a denial-of-service condition, impacting productivity and efficiency. Moreover, limited configuration changes could lead to unexpected behavior, jeopardizing the integrity of your systems. This isn't just a minor inconvenience; it could be a recipe for disaster!

Put simply

Think of it like a restaurant where a customer can walk in, mess with the kitchen settings, or even disrupt the food orders without a reservation. It's an unwelcome guest causing chaos without being noticed until it's too late! This vulnerability in the Sm@rtServer component of SINAMICS medium voltage products allows for unauthenticated access, enabling attackers to execute limited control commands and cause service disruptions without proper authentication checks.

What to do

An attacker could bring your operations to a halt with a denial-of-service condition, impacting productivity and efficiency. Moreover, limited configuration changes could lead to unexpected behavior, jeopardizing the integrity of your systems. This isn't just a minor inconvenience; it could be a recipe for disaster! To mitigate this vulnerability, it’s crucial to restrict access to the Sm@rtServer component and implement proper authentication mechanisms. Additionally, monitor for any unusual activity and consider consulting with your product vendor for any critical patches or updates. You've got this! By taking these steps, you can fortify your systems against unexpected chaos! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01545 · 74.8th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2021-06-15T19:40Z
EPSS history
Timeline
  • 15 JUN 19:40Z
    SINAMICS medium voltage routable products are affected by a vulnerability in the Sm@rtServer component for remote access that could allow an unauthenticated…
    cvelistv5