Siemens EN100 Ethernet Module denial of service | CVE-2022-30937
NAME
Siemens EN100 Ethernet Module 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 IEC 104 variant - Risk Level:
8.6 - Exploitability:
Unproven - Consequences:
Denial of Service
DESCRIPTION
Siemens EN100 Ethernet Module is vulnerable to a denial of service, caused by a memory corruption flaw. By sending specially-crafted HTTP packets to /txtrace endpoint, a remote attacker could exploit this vulnerability to cause the application to crash.
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-693555 for patch, upgrade or suggested workaround information. See References.
- Reference Link:
https://www.cisa.gov/uscert/ics/advisories/icsa-22-167-05 - Reference Link:
https://cert-portal.siemens.com/productcert/pdf/ssa-693555.pdf
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