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CVE-2021-37206

HIGH CVSS: 7.5 Published: 2021-09-14 Modified: 2026-06-17

Description

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). Received webpackets are not properly processed. An unauthenticated remote attacker with access to any of the Ethernet interfaces could send specially crafted packets to force a restart of the target device.

Affected Platforms

Siemens Siprotec 5 With Cpu Variant Cp050Siemens Siprotec 5 With Cpu Variant Cp300Siemens Siprotec 5 With Cpu Variant Cp100

Weakness Type

CWE-20

References