Bulletins

SIEMENS CERT
07/12/2022
Several models of SINAMICS PERFECT HARMONY GH180 Drives are affected by a DHCP client vulnerability (CVE-2021-29998) in the integrated SCALANCE X206-1 device. The vulnerability could allow an attacker to cause a heap-based buffer overflow on that device and use it to get access to the drive’s internal network. The list …
SIEMENS CERT
07/12/2022
Siemens has released updates for Opcenter Quality to fix an authentication bypass vulnerability. This could allow unauthenticated access to the application or cause denial of service condition for existing users. The issue is based on rich client modules using IbsGailWrapper-interface. After issuing the record the authentication bypass vulnerability could take …
SIEMENS CERT
06/21/2022
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 CERT
06/14/2022
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 …
SIEMENS CERT
06/14/2022
A vulnerability exists in affected products 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 updates for several …
SIEMENS CERT
06/14/2022
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 …
SIEMENS CERT
06/14/2022
A denial of service vulnerability was identified in different types of Communication Processors. An attacker could exploit this vulnerability causing the device to become un-operational until the device is restarted. Siemens is preparing updates and recommends specific countermeasures for products where updates are not, or not yet available.
SIEMENS CERT
06/14/2022
Vulnerabilities in the third-party component strongSwan could allow an attacker to cause a denial of service (DoS) condition in affected devices by exploiting integer overflow bugs. Siemens has released updates for several affected products and recommends to update to the latest versions. Siemens is preparing further updates and recommends countermeasures …