February 2020
Title
SSA-592007 (Last Update: 2020-02-10): Denial-of-Service Vulnerability in Industrial Products
Published
Feb. 10, 2020, 1 a.m.
Summary
Several industrial controllers are affected by a security vulnerability that could allow an attacker to cause a Denial-of-Service condition via PROFINET DCP network packets under certain circumstances. Precondition for this scenario is a direct OSI Layer 2 access to the affected products. PROFIBUS interfaces are not affected. Siemens has released ...
Title
SSA-833048 (Last Update: 2020-02-10): Vulnerability in SIMATIC S7-1200 CPU Family
Published
Feb. 10, 2020, 1 a.m.
Summary
Siemens became aware that the discontinued products SIMATIC S7-1200 CPUs prior to version 4 could allow for the circumvention of user program block protection under certain conditions.
Title
SSA-982399 (Last Update: 2020-02-10): Missing Authentication in TIM 1531 IRC Modules
Published
Feb. 10, 2020, 1 a.m.
Summary
The latest update for TIM 1531 IRC fixes a vulnerability. The device was missing proper authentication when connecting on port 102/tcp, although configured. An attacker needs to be able to connect to port 102/tcp of an affected device in order to exploit this vulnerability. The vulnerability could allow an attacker ...
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-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-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-456423 (Last Update: 2020-02-10): Vulnerabilities in SIMATIC S7-1500 CPU family
Published
Feb. 10, 2020, 1 a.m.
Summary
The new firmware update for the SIMATIC S7-1500 CPU firmware fixes several vulnerabilities, which may have been exploitable via network by Web application attacks or Denial-of-Service attacks with specially crafted network packets on different ports. Siemens addresses and fixes all of these issues by the new firmware update.
Title
SSA-253230 (Last Update: 2020-02-10): Vulnerabilities in SIMATIC S7-1500 CPU family
Published
Feb. 10, 2020, 1 a.m.
Summary
Siemens has released a firmware update for the SIMATIC S7-1500 CPU family which fixes two vulnerabilities. The more severe of these vulnerabilities could allow attackers to cause a Denial-of-Service under certain conditions.
Title
SSA-130874 (Last Update: 2020-02-10): Multiple Security Vulnerabilities in SCALANCE X Switches
Published
Feb. 10, 2020, 1 a.m.
Summary
A denial of service vulnerability was found in several Siemens Scalance X switches. Siemens addresses the vulnerability by two firmware upgrades. The web server of the vulnerable switches is susceptible to a remote denial of service attack. If the attack is executed, it causes a reboot of the device and ...
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-233109 (Last Update: 2020-02-10): Web Vulnerabilities in SIMATIC Panels
Published
Feb. 10, 2020, 1 a.m.
Summary
The latest update for SIMATIC Panel software and SIMATIC WinCC (TIA Portal) fixes two web vulnerabilities. The most severe is a vulnerability which could allow an attacker with network access to the integrated webserver to download arbitrary files. Siemens recommends to update to the newest version.
Title
SSA-134003 (Last Update: 2020-02-10): Web Vulnerability in SIMATIC S7-1200 Family
Published
Feb. 10, 2020, 1 a.m.
Summary
The latest firmware update for SIMATIC S7-1200 CPUs fixes a vulnerability that could allow an attacker to perform a CSRF (Cross-Site Request Forgery) attack under certain conditions.
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-168644 (Last Update: 2020-02-10): Spectre and Meltdown Vulnerabilities in Industrial Products
Published
Feb. 10, 2020, 1 a.m.
Summary
Security researchers published information on vulnerabilities known as Spectre and Meltdown. 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-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-254686 (Last Update: 2020-02-10): Foreshadow / L1 Terminal Fault Vulnerabilities in Industrial Products
Published
Feb. 10, 2020, 1 a.m.
Summary
Security researchers published information on vulnerabilities known as Foreshadow and L1 Terminal Fault (L1TF). These vulnerabilities affect many modern processors from different vendors to a varying degree. Several Siemens Industrial Products contain processors that are affected by the vulnerabilities.
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.

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