Bulletins

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.

Security researchers discovered and disclosed seven vulnerabilities in the open-source DNS component “dnsmasq”, also known as “DNSpooq” vulnerabilities (CVE-2020-25681 through CVE-2020-25687). Three vulnerabilities (CVE-2020-25684 through CVE-2020-25686) affect the validation of DNS responses and impact several SCALANCE and RUGGEDCOM devices as listed below. Siemens is preparing updates and recommends countermeasures for …

Products that include the Siemens PROFINET-IO (PNIO) stack in versions prior V06.00 are potentially affected by a denial-of-service vulnerability when multiple legitimate diagnostic package requests are sent to the DCE-RPC interface. Siemens has released updates for several affected products and recommends to update to the new versions. Siemens is preparing …

The SIMATIC MV400 product family is affected by two web vulnerabilities. The vulnerabilities could allow an authenticated user to escalate privileges, or might expose sensitive information to an attacker that is able to eavesdrop the communication. Siemens has released an update for the SIMATIC MV400 family and recommends to update …

The latest update for the below listed products fixes two security vulnerabilities that could allow an attacker to cause a partial Denial-of-Service on the UMC component of the affected devices under certain circumstances, and one vulnerability that could allow an attacker to locally escalate privileges from a user with administrative …

There exists a directory traversal vulnerability which allows arbitrary file upload to an affected system. This type of vulnerability is also known as ‘Zip-Slip’. An authenticated attacker could exploit this vulnerability to gain arbitrary code execution by uploading a new or modifying an existing file to an affected system. Siemens …

Some versions of Mentor Nucleus ReadyStart and Nucleus NET use Initial Sequence Numbers for TCP- Sessions that are predictable. Siemens has released updates for the affected products and recommends to update to the latest version(s).