Siemens SIMATIC eaSie Core Package security bypass | CVE-2021-44222
NAME
Siemens SIMATIC eaSie Core Package security bypass
- Platforms Affected:
Siemens SIMATIC eaSie Core Package 21 - Risk Level:
10 - Exploitability:
Unproven - Consequences:
Bypass Security
DESCRIPTION
Siemens SIMATIC eaSie Core Package could allow a remote attacker to bypass security restrictions, caused by missing authentication in the underlying MQTT service. By sending arbitrary messages to the service, an attacker could exploit this vulnerability to issue arbitrary requests in the affected system.
CVSS 3.0 Information
- Privileges Required: None
- User Interaction: None
- Scope: Changed
- Access Vector: Network
- Access Complexity: Low
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: None
- Remediation Level: Official Fix
MITIGATION
Refer to Siemens Security Advisory SSA-580125 for patch, upgrade or suggested workaround information. See References.
- Reference Link:
https://cert-portal.siemens.com/productcert/pdf/ssa-580125.pdf - Reference Link:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44222
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