CVE-2021-33720

A vulnerability has been identified in SIPROTEC 5 relays with CPU variants CP050 All versions V8.80, SIPROTEC 5 relays with CPU variants CP100 All versions V8.80, SIPROTEC 5 relays with CPU variants CP300 All versions V8.80. Specially crafted packets sent to port 4443/tcp could cause a...

Siemens SIPROTEC 5 relays Buffer Copy Without Checking Size of Input (CVE-2021-33720)

A vulnerability has been identified in SIPROTEC 5 relays with CPU variants CP050 All versions V8.80, SIPROTEC 5 relays with CPU variants CP100 All versions V8.80, SIPROTEC 5 relays with CPU variants CP300 All versions V8.80. Specially crafted packets sent to port 4443/tcp could cause a...

CVE-2021-33720

creationtimestamp| type| source ---|---|--- 2021-11-20 18:31:08+00:00| seen| https://t.me/icscert/500...

CVE-2021-33720

Siemens SIPROTEC 5 relays with CPU variants CP050, CP100, or CP300 (all versions before 8.80) are affected by CVE-2021-33720 a classic buffer overflow (Buffer copy without checking size) caused by specially crafted packets sent to port 4443/TCP. This can cause a Denial-of-Service condition; ICS a...