NetSight
high7.5

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 version…

Impact

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 Denial-of-Service condition.

Affected products

VendorProductAffected versions
SiemensSiprotec 5 With Cpu Variant Cp050
before 8.80
SiemensSiprotec 5 With Cpu Variant Cp100
before 8.80
SiemensSiprotec 5 With Cpu Variant Cp300
before 8.80

Weakness classification

References