Siemens SIMATIC S7-1500 CPU PLC vulnerabilities

4 known CVE vulnerabilities in Siemens SIMATIC S7-1500 CPU PLC, translated and rated.

CVE-2014-2259High
Siemens SIMATIC S7-1500 CPU PLC devices with firmware before version 1.5.0 are vulnerable to remote attacks that can lead to denial of service via crafted HTTPS packets.
CVE-2014-2257High
Siemens SIMATIC S7-1500 CPU PLC devices with firmware before version 1.5.0 are vulnerable to remote attacks that can lead to denial of service via crafted ISO-TSAP packets.
CVE-2014-2255High
Siemens SIMATIC S7-1500 CPU PLC devices with firmware before version 1.5.0 are vulnerable to remote attacks that can lead to denial of service via crafted HTTP packets.
CVE-2014-2251High
The random-number generator on Siemens SIMATIC S7-1500 CPU PLC devices with firmware before 1.5.0 does not have sufficient entropy, making it easier for remote attackers to defeat cryptographic protection mechanisms and hijack sessions.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS