SB2022071340 - Multiple vulnerabilities in Siemens SIMATIC eaSie Core Package

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Main Vulnerability Database SB2022071340

SB2022071340 - Multiple vulnerabilities in Siemens SIMATIC eaSie Core Package

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

Security Bulletin ID SB2022071340
CSH 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 vulnerabilities.


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

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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)

CWE-ID: CWE-306 - Missing Authentication for Critical Function

CVSSv4: 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


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.

References