Bulletins

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

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 …

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.

The latest product release of the SIMATIC S7-1200 CPU fixes several vulnerabilities. The most severe of these vulnerabilities could allow an attacker to take over an authenticated web session if the session token can be predicted. The attacker must have network access to the device to exploit this vulnerability. Further …

The latest firmware update for SIMATIC CP 1543-1 devices fixes two vulnerabilities. One of these vulnerabilities could allow authorized users to escalate their privileges on the CP.

The EN100 Ethernet communication modules are affected by security vulnerabilities which could allow an attacker to disclose information. Siemens has released updates for several affected products, is working on updates for the remaining affected products, and recommends specific countermeasures until fixes are available.

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 …