SB2022071340 - Multiple vulnerabilities in Siemens SIMATIC eaSie Core Package
Published: July 13, 2022 Updated: July 14, 2022
Breakdown by Severity
- 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.