February 2020
Title
SSA-447396 (Last Update: 2020-02-10): Denial-of-Service in SCALANCE X-300, SCALANCE X408 and SCALANCE X414
Published
Feb. 10, 2020, 1 a.m.
Summary
A vulnerability has been identified in the integrated web server of SCALANCE X300, SCALANCE X408, and SCALANCE X414. The vulnerability could allow an attacker with network access to the device to cause a Denial-of-Service condition. The vulnerability can be triggered with publicly available tools, including vulnerability scanners. Siemens provides updates ...
Title
SSA-240718 (Last Update: 2020-02-10): Insecure storage of HTTPS CA certificate in SIMATIC S7-1200 V2.x
Published
Feb. 10, 2020, 1 a.m.
Summary
For the convenience of the customer, a Certificate Authority (CA) for HTTPS connections is installed on the Siemens SIMATIC S7-1200 PLC. The user has the option to trust this CA which if selected installs the certificate into the browser’s certificate store. Once the user completes this step, the browser will ...
Title
SSA-377318 (Last Update: 2020-02-10): Multiple vulnerabilities in Intel Active Management Technology (AMT) of SIMATIC IPCs
Published
Feb. 10, 2020, 1 a.m.
Summary
There are multiple vulnerabilities in the Intel Management Engine used in multiple SIMATIC IPC devices that may allow arbitrary code execution, a partial denial of service or information disclosure. For additional information see: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00141.html. Siemens provides updates for the affected devices.
Title
SSA-279823 (Last Update: 2020-02-10): Cross-Site Scripting vulnerability in the SIMATIC S7-1200 CPU family
Published
Feb. 10, 2020, 1 a.m.
Summary
Siemens SIMATIC S7-1200 CPUs, version 2 and higher, are capable of running an embedded web server. Web server functionality is disabled by default in the 1200 project configuration. However, if enabled, the web server is susceptible to Cross-Site Scripting (XSS). Siemens provides a firmware update which fixes this XSS vulnerability.
Title
SSA-176087 (Last Update: 2020-02-10): Unauthenticated Access to Critical Services in SCALANCE X-200 Switch Family
Published
Feb. 10, 2020, 1 a.m.
Summary
A potential vulnerability was discovered in the web server authentication of SCALANCE X-200 and X-200IRT switches that might allow attackers to perform administrative operations over the network without authentication. This issue only applies to switches using older firmware versions and has been fixed from firmware V4.5.0 (non-IRT) and V5.1.0 (IRT) ...
Title
SSA-944083 (Last Update: 2020-02-10): HTTP Header Injection in SIMATIC Panels and SIMATIC WinCC (TIA Portal)
Published
Feb. 10, 2020, 1 a.m.
Summary
The latest update for SIMATIC Panel software and SIMATIC WinCC (TIA Portal) fixes a vulnerability that could allow an attacker with network access to the web server to perform a HTTP header injection attack.
Title
SSA-321046 (Last Update: 2020-02-10): Denial-of-Service Vulnerability in SCALANCE X-300/X408 Switch Family
Published
Feb. 10, 2020, 1 a.m.
Summary
The latest firmware update for the Siemens SCALANCE X-300 switch family and SCALANCE X 408 fixes two vulnerabilities. The vulnerabilities could allow attackers to cause a device reboot under certain conditions. An attacker must have network access to the device to exploit this vulnerability.
Title
SSA-914382 (Last Update: 2020-02-10): Denial-of-Service Vulnerability in SIMATIC S7-400 CPU Family
Published
Feb. 10, 2020, 1 a.m.
Summary
SIMATIC S7-400 CPUs are affected by a security vulnerability which could lead to a Denial-of-Service condition of the PLC if specially crafted packets are received and processed. The affected SIMATIC S7-400 CPU hardware versions are in the product cancellation phase or already phased-out. Siemens recommends customers either upgrading to a ...
Title
SSA-268644 (Last Update: 2020-02-10): Spectre-NG (Variants 3a and 4) Vulnerabilities in Industrial Products
Published
Feb. 10, 2020, 1 a.m.
Summary
Security researchers published information on vulnerabilities known as Spectre-NG (Variants 3a and 4). These vulnerabilities affect many modern processors from different vendors to a varying degree. Several Industrial Products include affected processors and are affected by the vulnerabilities.
Title
SSA-724606 (Last Update: 2020-02-10): Denial-of-Service Vulnerabilities in SIMATIC S7-1200 CPU Family
Published
Feb. 10, 2020, 1 a.m.
Summary
Siemens SIMATIC S7-1200 PLCs, version 2 and higher, allow device management over TCP port 102 (ISO-TSAP) and retrieving status information over UDP port 161 (SNMP). It is possible to cause the device to go into defect mode by sending specially crafted packets to these ports. Siemens addresses these issues with ...
Title
SSA-804486 (Last Update: 2020-02-10): Multiple Vulnerabilities in SIMATIC Panels and SIMATIC WinCC (TIA Portal)
Published
Feb. 10, 2020, 1 a.m.
Summary
The latest update for SIMATIC Panel Software and SIMATIC WinCC (TIA Portal) fixes two vulnerabilities. The most severe is a vulnerability which could allow an attacker with network access to the integrated device to read and write variables via SNMP. Siemens recommends to update to the newest version.
Title
SSA-180635 (Last Update: 2020-02-10): Denial-of-Service Vulnerabilities in SIMATIC S7-1500 CPU Family
Published
Feb. 10, 2020, 1 a.m.
Summary
Older versions of the S7-1500 CPU are affected by two Denial-of-Service vulnerabilities. Siemens has released updates for the currently supported hardware versions.
Title
SSA-987029 (Last Update: 2020-02-10): Denial-of-Service Vulnerability in SIMATIC S7-300 CPU Family
Published
Feb. 10, 2020, 1 a.m.
Summary
A vulnerability could allow attackers to perform a Denial-of-Service attack over the network without prior authentication against S7-300 CPUs under certain conditions. Siemens recommends specific mitigations. Siemens will update this advisory when new information becomes available.
Title
SSA-234763 (Last Update: 2020-02-10): OpenSSL Vulnerabilities in Siemens Industrial Products
Published
Feb. 10, 2020, 1 a.m.
Summary
Vulnerabilities in OpenSSL (see https://www.openssl.org/news/secadv_20140605.txt) affect several Siemens industrial products. Siemens has released updates for all affected products.
Title
SSA-818183 (Last Update: 2020-02-10): Denial-of-Service Vulnerability in SIMATIC S7-300 CPU Family
Published
Feb. 10, 2020, 1 a.m.
Summary
Siemens has released a firmware update for the SIMATIC S7-300 CPU family which fixes a vulnerability that could allow remote attackers to perform a Denial-of-Service attack under certain conditions.
Title
SSA-954136 (Last Update: 2020-02-10): User Impersonation Vulnerability in SCALANCE X-200IRT Switch Family
Published
Feb. 10, 2020, 1 a.m.
Summary
The latest firmware update for the SCALANCE X-200IRT switch family fixes a vulnerability which could allow attackers to impersonate legitimate users of the web interface.
Title
SSA-731239 (Last Update: 2020-02-10): Vulnerabilities in SIMATIC S7-300 and S7-400 CPUs
Published
Feb. 10, 2020, 1 a.m.
Summary
Two vulnerabilities have been identified in SIMATIC S7-300 and S7-400 CPU families. One vulnerability could lead to a Denial-of-Service, the other vulnerability could result in credential disclosure. Siemens recommends specific mitigations. Siemens will update this advisory when new information becomes available.
Title
SSA-113131 (Last Update: 2020-02-10): Denial-of-Service Vulnerabilities in SIMATIC S7-400 CPUs
Published
Feb. 10, 2020, 1 a.m.
Summary
Two vulnerabilities have been identified in the SIMATIC S7-400 CPU family that could allow an attacker to cause a Denial-of-Service condition. In order to exploit the vulnerability, an attacker must have access to the affected devices on port 102/tcp via Ethernet, PROFIBUS or Multi Point Interfaces (MPI). Siemens provides updates ...
Title
SSA-310688 (Last Update: 2020-02-10): Denial-of-Service Vulnerability in SIMATIC S7-1500 CPU
Published
Feb. 10, 2020, 1 a.m.
Summary
The latest firmware update for the SIMATIC S7-1500 CPU family fixes a vulnerability which could allow an attacker to perform a Denial-of-Service attack under certain conditions. The attacker must have network access to the device to exploit this vulnerability.
Title
SSA-597212 (Last Update: 2020-02-10): Web Vulnerability in SIMATIC S7-1200 CPU Family
Published
Feb. 10, 2020, 1 a.m.
Summary
The latest firmware version V4.1 of the SIMATIC S7-1200 CPU fixes one vulnerability. The vulnerability could allow an attacker to redirect users to untrusted sites under certain conditions.
Title
SSA-100232 (Last Update: 2020-02-10): Denial-of-Service vulnerability in SCALANCE X switches
Published
Feb. 10, 2020, 1 a.m.
Summary
A vulnerability in the affected devices could allow an unauthenticated attacker with network access to an affected device to perform a denial-of-service. Siemens is preparing updates and recommends specific countermeasures until patches are available.
Title
SSA-141614 (Last Update: 2020-02-10): Denial-of-Service in SIMOCODE pro V EIP
Published
Feb. 10, 2020, 1 a.m.
Summary
SIMOCODE pro V EIP is affected by a vulnerability that could allow remote attackers to conduct a Denial-of-Service (DoS) attack by sending specially crafted packets to port 161/udp (SNMP). Siemens has released an update for SIMOCODE pro V EIP and recommends that customers update to the new version.
Title
SSA-892012 (Last Update: 2020-02-10): Web Vulnerabilities in SIMATIC S7-1200 CPU Family
Published
Feb. 10, 2020, 1 a.m.
Summary
The latest product release of the SIMATIC S7-1200 CPU fixes two vulnerabilities. The more severe of these vulnerabilities could allow an attacker to inject HTTP headers if unsuspecting users are tricked to click on a malicious link. Another vulnerability resolved in this product release is discussed below.
Title
SSA-850708 (Last Update: 2020-02-10): Authentication Bypass in SCALANCE X-200 Switch Family
Published
Feb. 10, 2020, 1 a.m.
Summary
A potential vulnerability was discovered in the web server’s authentication of SCALANCE X-200 switches that might allow attackers to hijack web sessions over the network without authentication. Siemens addresses the issue with a firmware update.
Title
SSA-546832 (Last Update: 2020-02-10): Vulnerabilities in Medium Voltage SINAMICS and SIMOTION Products
Published
Feb. 10, 2020, 1 a.m.
Summary
The latest updates for medium voltage SINAMICS products fix two security vulnerabilities that could allow an attacker to cause a Denial-of-Service condition either via specially crafted PROFINET DCP broadcast packets or by sending specially crafted packets to port 161/udp (SNMP). Precondition for the PROFINET DCP scenario is a direct Layer ...

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