Bulletins

SIMATIC WinCC OA implements client-side only authentication, when neither server-side authentication (SSA) nor Kerberos authentication is enabled. In this configuration, attackers could impersonate other users or exploit the client-server protocol without being authenticated. Siemens recommends to enable server-side authentication (SSA) or Kerberos authentication for all WinCC OA projects, as documented …

Siemens has been made aware of a default password leakage in the internet affecting the component Shared HIS (SHHIS) used in Spectrum Power systems. The products listed below are affected by this default password leakage. This could allow an attacker to access the component Shared HIS of those products with …

A vulnerability was found in SIMATIC WinCC that could allow authenticated attackers to escape the Kiosk Mode. Siemens has released updates for several affected products and recommends to update to the latest versions. Siemens recommends specific countermeasures for products where updates are not, or not yet available.

There are multiple vulnerabilities in an underlying Link Layer Discovery Protocol (LLDP) third party library. Siemens has released updates for several affected products and recommends to update to the latest versions. Siemens is preparing further updates and recommends specific countermeasures for products where updates are not, or not yet available.

SCALANCE XM-400 and XR-500 devices contain a vulnerability in the OSPF protocol implementation that could allow an unauthenticated remote attacker to cause interruptions in the network. Siemens has released updates for the affected products and recommends to update to the latest versions.

The products listed below contain a vulnerability that could allow remote attackers to affect the availability of the devices under certain conditions. The underlying TCP stack can be forced to make very computation expensive calls for every incoming packet which can lead to a Denial-of-Service. Siemens has released an update …

A vulnerability in Xpedition Designer could allow an attacker with an unprivileged account to override or modify the service executable and subsequently gain elevated privileges. Siemens has released an update for the Xpedition Designer and recommends to update to the latest version.