Bulletins | CERT@VDE

SSA-307392 (Last Update: 2020-02-11): Denial-of-Service in OPC UA in Industrial Products

Title

SSA-307392 (Last Update: 2020-02-11): Denial-of-Service in OPC UA in Industrial Products

Published

Feb. 11, 2020, 1 a.m.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-307392.pdf

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 ...

SSA-616472 (Last Update: 2020-02-11): ZombieLoad and Microarchitectural Data Sampling Vulnerabilities in Industrial Products

Title

SSA-616472 (Last Update: 2020-02-11): ZombieLoad and Microarchitectural Data Sampling Vulnerabilities in Industrial Products

Published

Feb. 11, 2020, 1 a.m.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-616472.pdf

Summary

Security researchers published information on vulnerabilities known as ZombieLoad and Microarchitectural Data Sampling (MDS). 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.

SSA-591405 (Last Update: 2020-02-11): Web Vulnerabilities in SCALANCE S-600 family

Title

SSA-591405 (Last Update: 2020-02-11): Web Vulnerabilities in SCALANCE S-600 family

Published

Feb. 11, 2020, 1 a.m.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-591405.pdf

Summary

The firmware for SCALANCE S-600 family devices contains multiple web vulnerabilities. The vulnerabilities could allow an remote attacker to conduct Denial-of-Service attacks or perform Cross-Site Scripting attacks. Siemens recommends to migrate to SCALANCE SC-600 Industrial Security Appliances.

SSA-349422 (Last Update: 2020-02-11): Denial-of-Service in Industrial Real-Time (IRT) Devices

Title

SSA-349422 (Last Update: 2020-02-11): Denial-of-Service in Industrial Real-Time (IRT) Devices

Published

Feb. 11, 2020, 1 a.m.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-349422.pdf

Summary

A vulnerability in the affected products could allow an unauthorized attacker with network access to perform a denial-of-service attack resulting in loss of real-time synchronization. Siemens has released updates for several affected products, and recommends that customers update to the new version. Siemens is preparing further updates and recommends specific ...

SSA-270778 (Last Update: 2020-02-11): Denial-of-Service Vulnerability in SIMATIC PCS 7, SIMATIC WinCC and SIMATIC NET PC Software

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.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-270778.pdf

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 ...

SSA-480230 (Last Update: 2020-02-11): Denial-of-Service in Webserver of Industrial Products

Title

SSA-480230 (Last Update: 2020-02-11): Denial-of-Service in Webserver of Industrial Products

Published

Feb. 11, 2020, 1 a.m.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-480230.pdf

Summary

A vulnerability in the affected devices could allow an unauthorized attacker with network access to the webserver of an affected device to perform a denial-of-service attack. Siemens has released updates for several affected products, and recommends that customers update to the new version. Siemens is preparing further updates and recommends ...

SSA-986695 (Last Update: 2020-02-11): Information Disclosure Vulnerability in the OZW Web Server

Title

SSA-986695 (Last Update: 2020-02-11): Information Disclosure Vulnerability in the OZW Web Server

Published

Feb. 11, 2020, 1 a.m.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-986695.pdf

Summary

OZW672 and OZW772 Web Server versions < 10.00 contain a vulnerability that could allow unauthenticated users to access project files under certain conditions. Siemens has released Version 10.00 that fixes the vulnerability and recommends to update all web servers.

SSA-87240 (Last Update: 2020-02-10): Vulnerabilities in SIEMENS LOGO!

Title

SSA-87240 (Last Update: 2020-02-10): Vulnerabilities in SIEMENS LOGO!

Published

Feb. 10, 2020, 1 a.m.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-87240.pdf

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.

SSA-087240 (Last Update: 2020-02-10): Vulnerabilities in SIEMENS LOGO!

Title

SSA-087240 (Last Update: 2020-02-10): Vulnerabilities in SIEMENS LOGO!

Published

Feb. 10, 2020, 1 a.m.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-087240.pdf

Summary

SSA-763427 (Last Update: 2020-02-10): Vulnerability in Communication Processor (CP) modules CP 343-1, TIM 3V-IE, TIM 4R-IE, and...

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.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-763427.pdf

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.

SSA-347726 (Last Update: 2020-02-10): Denial-of-Service Vulnerability in SIMATIC S7-1500, SIMATIC S7-1500 Software Controller a...

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.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-347726.pdf

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.

SSA-584286 (Last Update: 2020-02-10): Denial-of-Service Vulnerability in SIMATIC S7-1200 CPU and SIMATIC S7-1500 CPU

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.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-584286.pdf

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 ...

SSA-507847 (Last Update: 2020-02-10): Cross-Site Request Forgery Vulnerability in SIMATIC S7-1200 CPU Family Version 4

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.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-507847.pdf

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.

SSA-447396 (Last Update: 2020-02-10): Denial-of-Service in SCALANCE X-300, SCALANCE X408 and SCALANCE X414

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.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-447396.pdf

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 ...

SSA-240718 (Last Update: 2020-02-10): Insecure storage of HTTPS CA certificate in SIMATIC S7-1200 V2.x

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.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-240718.pdf

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 ...

SSA-377318 (Last Update: 2020-02-10): Multiple vulnerabilities in Intel Active Management Technology (AMT) of SIMATIC IPCs

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.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-377318.pdf

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.

SSA-279823 (Last Update: 2020-02-10): Cross-Site Scripting vulnerability in the SIMATIC S7-1200 CPU family

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.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-279823.pdf

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.

SSA-176087 (Last Update: 2020-02-10): Unauthenticated Access to Critical Services in SCALANCE X-200 Switch Family

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.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-176087.pdf

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) ...

SSA-944083 (Last Update: 2020-02-10): HTTP Header Injection in SIMATIC Panels and SIMATIC WinCC (TIA Portal)

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.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-944083.pdf

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.

SSA-321046 (Last Update: 2020-02-10): Denial-of-Service Vulnerability in SCALANCE X-300/X408 Switch Family

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.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-321046.pdf

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.

SSA-914382 (Last Update: 2020-02-10): Denial-of-Service Vulnerability in SIMATIC S7-400 CPU Family

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.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-914382.pdf

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 ...

SSA-268644 (Last Update: 2020-02-10): Spectre-NG (Variants 3a and 4) Vulnerabilities in Industrial Products

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.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-268644.pdf

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.

SSA-724606 (Last Update: 2020-02-10): Denial-of-Service Vulnerabilities in SIMATIC S7-1200 CPU Family

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.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-724606.pdf

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 ...

SSA-804486 (Last Update: 2020-02-10): Multiple Vulnerabilities in SIMATIC Panels and SIMATIC WinCC (TIA Portal)

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.

URL

https://cert-portal.siemens.com/productcert/pdf/ssa-804486.pdf

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.