AUGUST 4, 2026
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Case File

CVE-2021-37206

HIGH · CVSS 7.5 EPSS 1.43%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-09-14 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-37206
Severity
HIGH
CVSS
7.5
EPSS
1.43%

Original NVD 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.