SB2022071340 - Multiple vulnerabilities in Siemens SIMATIC eaSie Core Package



SB2022071340 - Multiple vulnerabilities in Siemens SIMATIC eaSie Core Package

Published: July 13, 2022 Updated: July 14, 2022

Security Bulletin ID SB2022071340
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2021-44221)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within underlying message passing framework. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


2) Missing Authentication for Critical Function (CVE-ID: CVE-2021-44222)

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to the underlying MQTT service does not perform authentication in the default configuration. A remote attacker can send arbitrary messages to the service and thereby issue arbitrary requests in the affected system.


Remediation

Install update from vendor's website.