#VU65286 Missing Authentication for Critical Function in SIMATIC eaSie Core Package - CVE-2021-44222 

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Main Vulnerability Database Vulnerabilities #VU65286

#VU65286 Missing Authentication for Critical Function in SIMATIC eaSie Core Package - CVE-2021-44222

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


Vulnerability identifier: #VU65286
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-44222
CWE-ID: CWE-306
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
SIMATIC eaSie Core Package
Software vendor:
Siemens

Description

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 updates from vendor's website.

External links