CVE-2021-44222

Description

A vulnerability has been identified in SIMATIC eaSie Core Package (All versions < V22.00). The underlying MQTT service of affected systems does not perform authentication in the default configuration. This could allow an unauthenticated remote attacker to send arbitrary messages to the service and thereby issue arbitrary requests in the affected system.

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.74% Top 30%
Vendor Advisory siemens.com
Affected: Siemens SIMATIC eaSie Core Package
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-580125.pdf patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-44222?
CVE-2021-44222 has been scored as a critical severity vulnerability.
How to fix CVE-2021-44222?
To fix CVE-2021-44222, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-44222 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-44222 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-44222?
CVE-2021-44222 affects Siemens SIMATIC eaSie Core Package.
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