A vulnerability has been identified in SIPROTEC 4 and SIPROTEC Compact relays equipped with EN100 Ethernet communication modules (All versions). Specially crafted packets sent to port 50000/UDP of the EN100 Ethernet communication modules could cause a Denial-of-Service of the affected device. A manual reboot is required to recover the service of the device. At the time of advisory publication no public exploitation of this security vulnerability was known to Siemens.
[
{
"product": "SIPROTEC 4 and SIPROTEC Compact relays equipped with EN100 Ethernet communication modules",
"vendor": "Siemens AG",
"versions": [
{
"status": "affected",
"version": "All versions"
}
]
}
]