February 2020
Title
SSB-439005 (Last Update: 2020-02-11): Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP
Published
Feb. 11, 2020, 1 a.m.
Summary
Title
SSA-974843 (Last Update: 2020-02-11): Denial-of-Service Vulnerability in SIPROTEC 4 and SIPROTEC Compact Relay Families
Published
Feb. 11, 2020, 1 a.m.
Summary
The SIPROTEC 4 and SIPROTEC Compact devices are affected by a security vulnerability which could allow an attacker to conduct a Denial-of-Service attack over the network when equipped with EN100 Ethernet communication modules. Siemens recommends specific countermeasures to mitigate the issue.
Title
SSA-307392 (Last Update: 2020-02-11): Denial-of-Service in OPC UA in Industrial Products
Published
Feb. 11, 2020, 1 a.m.
Summary
A vulnerability has been identified in the OPC UA server of several industrial products. The vulnerability could cause a Denial-of-Service condition on the service or the device. Siemens has released updates for several affected products, and recommends that customers update to the new version. Siemens is preparing further updates and ...
Title
SSA-270778 (Last Update: 2020-02-11): Denial-of-Service Vulnerability in SIMATIC PCS 7, SIMATIC WinCC and SIMATIC NET PC Software
Published
Feb. 11, 2020, 1 a.m.
Summary
A Denial-of-Service vulnerability was found in SIMATIC PCS 7, SIMATIC WinCC and SIMATIC NET PC software when encrypted communication is enabled. The vulnerability could allow an attacker with network access to cause a Denial-of-Service condition under certain circumstances (versions prior to SIMATIC WinCC V7.3 or SIMATIC PCS 7 V8.1 are ...
Title
SSA-780073 (Last Update: 2020-02-11): Denial-of-Service Vulnerability in PROFINET Devices via DCE-RPC Packets
Published
Feb. 11, 2020, 1 a.m.
Summary
Products that include the Siemens PROFINET-IO (PNIO) stack in versions prior V06.00 are potentially affected by a denial-of-service vulnerability when multiple legitimate diagnostic package requests are sent to the DCE-RPC interface. Siemens has released updates for several affected products, and recommends that customers update to the new version. Siemens is ...
Title
SSA-273799 (Last Update: 2020-02-11): Vulnerability in SIMATIC products
Published
Feb. 11, 2020, 1 a.m.
Summary
A vulnerability has been identified in several SIMATIC products. The vulnerability could allow an attacker in a Man-in-the-Middle position to modify network traffic exchanged on port 102/tcp to PLCs of the SIMATIC S7-1200, SIMATIC S7-1500 and SIMATIC SoftwareController CPU families. Siemens has released updates for several affected products, and recommends ...
Title
SSA-87240 (Last Update: 2020-02-10): Vulnerabilities in SIEMENS LOGO!
Published
Feb. 10, 2020, 1 a.m.
Summary
Two vulnerabilities have been identified in SIEMENS LOGO!8 BM devices. The most severe vulnerability could allow an attacker to hijack existing web sessions. Siemens provides LOGO!8 BM FS-05 with firmware version V1.81.2, which fixes the first vulnerability, and recommends specific mitigations for the second vulnerability.
Title
SSA-774850 (Last Update: 2020-02-10): Vulnerabilities in SIEMENS LOGO!8 devices
Published
Feb. 10, 2020, 1 a.m.
Summary
Two vulnerabilities have been identified in SIEMENS LOGO!8 devices. The Session ID on the integrated webserver of LOGO!8 devices is not invalidated upon logout. The second vulnerability could allow an attacker with network access to port 10005/tcp to cause a Denial-of-Service condition by sending specifically crafted packages to the service. ...
Title
SSA-994726 (Last Update: 2020-02-10): GHOST Vulnerability in Siemens Industrial Products
Published
Feb. 10, 2020, 1 a.m.
Summary
The latest updates for the affected products fix the “GHOST” [1] vulnerability identified in glibc library (CVE-2015-0235). Incorrect parsing within the glibc library functions “gethostbyname()” and “gethostbyname2()” could cause a Denial-of-Service of the targeted system. [1] https://nvd.nist.gov/vuln/detail/CVE-2015-0235
Title
SSA-635659 (Last Update: 2020-02-10): Heartbleed Vulnerability in Siemens Industrial Products
Published
Feb. 10, 2020, 1 a.m.
Summary
The "Heartbleed" vulnerability in the OpenSSL cryptographic software library (CVE-2014-0160) affects several Siemens industrial products. Siemens has resolved the issue in all affected industrial products and provides updates which fix this vulnerability.
Title
SSA-542701 (Last Update: 2020-02-10): Vulnerabilities in SIEMENS LOGO!
Published
Feb. 10, 2020, 1 a.m.
Summary
Multiple vulnerabilities have been identified in SIEMENS LOGO!8 BM devices. The most severe vulnerability could lead to an attacker reading and modifying the device configuration if the attacker has access to port 10005/tcp.
Title
SSA-087240 (Last Update: 2020-02-10): Vulnerabilities in SIEMENS LOGO!
Published
Feb. 10, 2020, 1 a.m.
Summary
Two vulnerabilities have been identified in SIEMENS LOGO!8 BM devices. The most severe vulnerability could allow an attacker to hijack existing web sessions. Siemens provides LOGO!8 BM FS-05 with firmware version V1.81.2, which fixes the first vulnerability, and recommends specific mitigations for the second vulnerability.
Title
SSA-763427 (Last Update: 2020-02-10): Vulnerability in Communication Processor (CP) modules CP 343-1, TIM 3V-IE, TIM 4R-IE, and CP 443-1
Published
Feb. 10, 2020, 1 a.m.
Summary
Siemens has released updates for Communication Processor (CP) module families CP 343-1/TIM 3V-IE/TIM 4R-IE/CP 443-1 to resolve an authentication bypass vulnerability that could allow unauthenticated users to perform administrative operations under certain conditions.
Title
SSA-347726 (Last Update: 2020-02-10): Denial-of-Service Vulnerability in SIMATIC S7-1500, SIMATIC S7-1500 Software Controller and SIMATIC ET 200SP Open Controller
Published
Feb. 10, 2020, 1 a.m.
Summary
Versions of SIMATIC S7-1500, SIMATIC S7-1500 Software Controller and SIMATIC ET200SP Open Controller are affected by a denial-of-service vulnerability. An attacker with network access to the PLC can cause a Denial-of-Service condition on the network stack.
Title
SSA-584286 (Last Update: 2020-02-10): Denial-of-Service Vulnerability in SIMATIC S7-1200 CPU and SIMATIC S7-1500 CPU
Published
Feb. 10, 2020, 1 a.m.
Summary
A vulnerability was identified in SIMATIC S7-1200 and S7-1500 CPUs that could allow an attacker to cause a denial-of-service condition preventing HMI or engineering access to the PLC over port 102/tcp. Siemens has released an update for the S7-1500 product and recommends that customers update to the new version. Siemens ...
Title
SSA-507847 (Last Update: 2020-02-10): Cross-Site Request Forgery Vulnerability in SIMATIC S7-1200 CPU Family Version 4
Published
Feb. 10, 2020, 1 a.m.
Summary
The latest firmware update for S7-1200 CPU family version 4 fixes a Cross-Site Request Forgery vulnerability. Siemens recommends to update affected devices as soon as possible.
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.

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