Bulletins

SIEMENS CERT
10/14/2025
SIMATIC S7-1200 CPU V2 devices contain an insufficiently protected private key used for the Certificate Authority (CA) for HTTPS connections. Possession of this key could allow remote attackers to spoof the device’s web server by creating a forged web server certificate. Siemens recommends specific countermeasures for products where fixes are …
SIEMENS CERT
10/14/2025
Several SIMATIC S7-1500 CPU versions are affected by an authentication bypass vulnerability that could allow an unauthenticated remote attacker to gain knowledge about actual and configured maximum cycle times and communication load of the CPU. Siemens has released new versions for several affected products and recommends to update to the …
SIEMENS CERT
10/14/2025
Siemens User Management Component (UMC) is affected by three vulnerabilities which could allow an unauthenticated remote attacker to cause a denial of service condition. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and recommends specific …
SIEMENS CERT
10/14/2025
SIMATIC S7-1200 CPU V1/V2 controllers contain two vulnerabilities that could allow an unauthenticated remote attacker to trigger functions by record and playback of legitimate network communication, or to place the controller in stop/defect state by causing a communications error. Siemens has released new versions for the affected products and recommends …
SIEMENS CERT
10/14/2025
Several SIMATIC S7-1500 and S7-1200 CPU versions are affected by an open redirect vulnerability that could allow an attacker to make the web server of affected devices redirect a legitimate user to an attacker-chosen URL. For a successful attack, the legitimate user must actively click on an attacker-crafted link. Siemens …
SIEMENS CERT
10/14/2025
Siemens’ User Management Component (UMC) is affected by multiple vulnerabilities that could allow an unauthenticated remote attacker to execute arbitrary code or to cause a denial of service condition. Siemens has released a new version for User Management Component (UMC) and recommends to update to the latest version. Siemens is …
SIEMENS CERT
10/14/2025
Siemens User Management Component (UMC) is affected by a heap-based buffer overflow vulnerability which could allow an unauthenticated remote attacker arbitrary code execution. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and recommends specific countermeasures …
SIEMENS CERT
10/14/2025
Nozomi Networks has published information on vulnerabilities in Nozomi Guardian/CMC. This advisory lists the related Siemens Industrial products affected by these vulnerabilities. Siemens is preparing fix versions and recommends countermeasures for products where fixes are not, or not yet available.