Bulletins

An incorrect authorization check in Mendix applications could allow an attacker to bypass write permissions to attributes of objects under certain circumstances. Mendix has released an update for Mendix and recommends to update to the latest version.

OpenSSL has published a security advisory [0] about a vulnerability in OpenSSL versions 1.1.1 < k, that allows an unauthenticated attacker to cause a Denial-of-Service (DoS) if a a maliciously crafted renegotiation message is sent. Siemens is preparing updates and recommends countermeasures for products where updates are not, or not …

Multiple SIMATIC software products are affected by a vulnerability that could allow an attacker to change the content of certain metafiles and subsequently manipulate parameters or behaviour of devices configured by the affected software products. Siemens has released an update for the SIMATIC STEP 7 V5.X and recommends to update …

WIBU Systems disclosed two vulnerabilities and a new release version of CodeMeter Runtime, a product provided by WIBU Systems and used in several Siemens products for license management. The vulnerabilities are described in the section “Vulnerability Classification” below and got assigned the CVE IDs CVE-2021-20093 and CVE-2021-20094. Successful exploitation of …

Twelve vulnerabilities in the implementation of frame aggregation and fragmentation of the 802.11 standard, under the name of FragAttacks, have been published. Successful exploitation of these vulnerabilities could allow an attacker within Wi-Fi range to forge encrypted frames, which could result in sensitive data disclosure and possibly traffic manipulation. The …

There are multiple vulnerabilities in an underlying Link Layer Discovery Protocol (LLDP) third party library. Siemens is preparing updates and recommends specific countermeasures for products where updates are not, or not yet available.

SIPROTEC 4 and SIPROTEC Compact devices could allow access authorization passwords to be reconstructed or overwritten via engineering mechanisms that involve DIGSI 4 and EN100 Ethernet communication modules. Siemens has released updates for several affected products, and recommends specific countermeasures for the remaining products.