Siemens EN100 Ethernet modules denial of service | CVE-2022-30938
NAME
Siemens EN100 Ethernet modules denial of service
- Platforms Affected:
Siemens EN100 Ethernet module IEC 61850 variant 4.20
Siemens EN100 Ethernet module PROFINET IO variant
Siemens EN100 Ethernet module Modbus TCP variant
Siemens EN100 Ethernet module DNP3 variant
Siemens EN100 Ethernet module Firmware variant IEC104 - Risk Level:
8.6 - Exploitability:
Unproven - Consequences:
Denial of Service
DESCRIPTION
Siemens EN100 Ethernet modules is vulnerable to a denial of service, caused by memory corruption when parsing specially-crafted HTTP packets to the /txtrace endpoint. By manipulating a specific argument, an attacker could exploit this vulnerability to cause a denial of service.
CVSS 3.0 Information
- Privileges Required: None
- User Interaction: None
- Scope: Changed
- Access Vector: Network
- Access Complexity: Low
- Confidentiality Impact: None
- Integrity Impact: None
- Availability Impact: High
- Remediation Level: Official Fix
MITIGATION
Refer to Siemens Security Advisory SSA-865333 for patch, upgrade or suggested workaround information. See References.
- Reference Link:
https://cert-portal.siemens.com/productcert/pdf/ssa-865333.pdf - Reference Link:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-30938
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