February 2020
10.02.2020
SIEMENS CERT
SSA-982399 (Last Update: 2020-02-10): Missing Authentication in TIM 1531 IRC Modules
Title
SSA-982399 (Last Update: 2020-02-10): Missing Authentication in TIM 1531 IRC Modules
Published
Feb. 10, 2020, 1 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-982399.pdf
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 ...
10.02.2020
SIEMENS CERT
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 ...
10.02.2020
SIEMENS CERT
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.
10.02.2020
SIEMENS CERT
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 ...
10.02.2020
SIEMENS CERT
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.
10.02.2020
SIEMENS CERT
SSA-168644 (Last Update: 2020-02-10): Spectre and Meltdown Vulnerabilities in Industrial Products
Title
SSA-168644 (Last Update: 2020-02-10): Spectre and Meltdown Vulnerabilities in Industrial Products
Published
Feb. 10, 2020, 1 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-168644.pdf
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.
10.02.2020
SIEMENS CERT
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 ...
10.02.2020
SIEMENS CERT
SSA-623229 (Last Update: 2020-02-10): DROWN Vulnerability in Industrial Products
Title
SSA-623229 (Last Update: 2020-02-10): DROWN Vulnerability in Industrial Products
Published
Feb. 10, 2020, 1 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-623229.pdf
Summary
The disclosed attack called DROWN (Decrypting RSA with Obsolete and Weakened eNcryption), also known as CVE-2016-0800, could potentially allow the decryption of SSL/TLS sessions of some Siemens industrial products under certain conditions. Siemens has released firmware updates and solutions to resolve the vulnerability
10.02.2020
SIEMENS CERT
SSA-180635 (Last Update: 2020-02-10): Denial-of-Service Vulnerabilities in SIMATIC S7-1500 CPU Family
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.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-180635.pdf
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.
10.02.2020
SIEMENS CERT
SSA-179516 (Last Update: 2020-02-10): OpenSSL Vulnerability in Industrial Products
Title
SSA-179516 (Last Update: 2020-02-10): OpenSSL Vulnerability in Industrial Products
Published
Feb. 10, 2020, 1 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-179516.pdf
Summary
A vulnerability in OpenSSL affects several Siemens industrial products. Siemens has released updates for some affected products and is working on updates for others.
10.02.2020
SIEMENS CERT
SSA-456423 (Last Update: 2020-02-10): Vulnerabilities in SIMATIC S7-1500 CPU family
Title
SSA-456423 (Last Update: 2020-02-10): Vulnerabilities in SIMATIC S7-1500 CPU family
Published
Feb. 10, 2020, 1 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-456423.pdf
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.
10.02.2020
SIEMENS CERT
SSA-134003 (Last Update: 2020-02-10): Web Vulnerability in SIMATIC S7-1200 Family
Title
SSA-134003 (Last Update: 2020-02-10): Web Vulnerability in SIMATIC S7-1200 Family
Published
Feb. 10, 2020, 1 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-134003.pdf
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.
10.02.2020
SIEMENS CERT
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.
10.02.2020
SIEMENS CERT
SSA-987029 (Last Update: 2020-02-10): Denial-of-Service Vulnerability in SIMATIC S7-300 CPU Family
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.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-987029.pdf
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.
10.02.2020
SIEMENS CERT
SSA-306710 (Last Update: 2020-02-10): Denial-of-Service Vulnerability in SIMATIC S7-300 CPU Family
Title
SSA-306710 (Last Update: 2020-02-10): Denial-of-Service Vulnerability in SIMATIC S7-300 CPU Family
Published
Feb. 10, 2020, 1 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-306710.pdf
Summary
Siemens has released a firmware update for the S7-300 CPU family which fixes a vulnerability that could allow remote attackers to perform a Denial-of-Service attack.
10.02.2020
SIEMENS CERT
SSA-130874 (Last Update: 2020-02-10): Multiple Security Vulnerabilities in SCALANCE X Switches
Title
SSA-130874 (Last Update: 2020-02-10): Multiple Security Vulnerabilities in SCALANCE X Switches
Published
Feb. 10, 2020, 1 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-130874.pdf
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 ...
10.02.2020
SIEMENS CERT
SSA-253230 (Last Update: 2020-02-10): Vulnerabilities in SIMATIC S7-1500 CPU family
Title
SSA-253230 (Last Update: 2020-02-10): Vulnerabilities in SIMATIC S7-1500 CPU family
Published
Feb. 10, 2020, 1 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-253230.pdf
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.
10.02.2020
SIEMENS CERT
SSA-731239 (Last Update: 2020-02-10): Vulnerabilities in SIMATIC S7-300 and S7-400 CPUs
Title
SSA-731239 (Last Update: 2020-02-10): Vulnerabilities in SIMATIC S7-300 and S7-400 CPUs
Published
Feb. 10, 2020, 1 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-731239.pdf
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.
10.02.2020
SIEMENS CERT
SSA-346262 (Last Update: 2020-02-10): Denial-of-Service in Industrial Products
Title
SSA-346262 (Last Update: 2020-02-10): Denial-of-Service in Industrial Products
Published
Feb. 10, 2020, 1 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-346262.pdf
Summary
Several industrial products are 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 updates for several affected products, and recommends that customers update to the new version. Siemens is preparing further updates ...
10.02.2020
SIEMENS CERT
SSA-487246 (Last Update: 2020-02-10): Vulnerabilities in SIMATIC HMI Devices
Title
SSA-487246 (Last Update: 2020-02-10): Vulnerabilities in SIMATIC HMI Devices
Published
Feb. 10, 2020, 1 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-487246.pdf
Summary
The latest updates for the affected products fix three vulnerabilities. The most severe of these vulnerabilities could allow an attacker to perform a Denial-of-Service attack against HMI panels under certain conditions.
10.02.2020
SIEMENS CERT
SSA-625789 (Last Update: 2020-02-10): Security Vulnerabilities in Siemens SIMATIC S7-1200 CPU
Title
SSA-625789 (Last Update: 2020-02-10): Security Vulnerabilities in Siemens SIMATIC S7-1200 CPU
Published
Feb. 10, 2020, 1 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-625789.pdf
Summary
Security experts have examined the SIMATIC S7-1200 Programmable Logic Controller (PLC). This research has revealed some weaknesses in the SIMATIC S71200 CPU communication and authentication functions. Once the automation network is compromised it is possible to demonstrate the following weaknesses using a remote exploit: - Trigger CPU functions by record ...
10.02.2020
SIEMENS CERT
SSA-818183 (Last Update: 2020-02-10): Denial-of-Service Vulnerability in SIMATIC S7-300 CPU Family
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.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-818183.pdf
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.
10.02.2020
SIEMENS CERT
SSA-597212 (Last Update: 2020-02-10): Web Vulnerability in SIMATIC S7-1200 CPU Family
Title
SSA-597212 (Last Update: 2020-02-10): Web Vulnerability in SIMATIC S7-1200 CPU Family
Published
Feb. 10, 2020, 1 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-597212.pdf
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.
10.02.2020
SIEMENS CERT
SSA-592007 (Last Update: 2020-02-10): Denial-of-Service Vulnerability in Industrial Products
Title
SSA-592007 (Last Update: 2020-02-10): Denial-of-Service Vulnerability in Industrial Products
Published
Feb. 10, 2020, 1 a.m.
URL
https://cert-portal.siemens.com/productcert/pdf/ssa-592007.pdf
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 ...
10.02.2020
SIEMENS CERT
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
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.

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