SEPTEMBER 30, 2026
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Case File

CVE-2021-27388

CRITICAL · CVSS 9.8 EPSS 1.54%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-06-15 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It may be remotely exploitable. Exploitation may require the attacker to be authenticated. It may lead to a denial-of-service condition.

CVE
CVE-2021-27388
Severity
CRITICAL
CVSS
9.8
EPSS
1.54%

Original NVD Description

SINAMICS medium voltage routable products are affected by a vulnerability in the Sm@rtServer component for remote access that could allow an unauthenticated attacker to cause a denial-of-service condition, and/or execution of limited configuration modifications and/or execution of limited control commands on the SINAMICS Medium Voltage Products, Remote Access (SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions).

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