Bulletins

A vulnerability in affected devices could allow an attacker to perform a denial-of-service attack if a large amount of specially crafted UDP packets are sent to the device. Siemens has released updates for several affected products, and recommends that customers update to the new version. Siemens is preparing further updates …

The PROFINET (PNIO) stack, when integrated with the Interniche IP stack, contains a vulnerability that could allow an attacker to cause a denial of service condition on affected industrial products. Siemens has released updates for several affected products and recommends to update to the latest versions. Siemens is preparing further …

Several SCALANCE X switches are affected by an Authentication Bypass vulnerability. The vulnerability allows an unauthenticated attacker to violate access-control rules. The vulnerability can be exploited by sending a GET request to a specific uniform resource locator on the web configuration interface of the device. The security vulnerability could be …

Summary The Cybersecurity and Infrastructure Security Agency (CISA) is issuing this Activity Alert to provide information on a vulnerability, known as “BlueKeep,” that exists in the following Microsoft Windows Operating Systems (OSs), including both 32- and 64-bit versions, as well as all Service Pack versions: Windows 2000 Windows Vista Windows …

Summary This report is a collaborative research effort by the cyber security authorities of five nations: Australia, Canada, New Zealand, the United Kingdom, and the United States.[1][2][3][4][5] In it we highlight the use of five publicly available tools, which have been used for malicious purposes in recent cyber incidents around …

Summary The Department of Homeland Security (DHS) National Cybersecurity and Communications Integration Center (NCCIC) and the Federal Bureau of Investigation (FBI) are issuing this activity alert to inform computer network defenders about SamSam ransomware, also known as MSIL/Samas.A. Specifically, this product shares analysis of vulnerabilities that cyber actors exploited to …

Summary The National Cybersecurity and Communications Integration Center (NCCIC), part of the Cybersecurity and Infrastructure Security Agency (CISA), is aware of a global Domain Name System (DNS) infrastructure hijacking campaign. Using compromised credentials, an attacker can modify the location to which an organization’s domain name resources resolve. This enables the …