AUGUST 4, 2026
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Case File

CVE-2020-27632

HIGH · CVSS 7.5 EPSS 1.21%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-03-10 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. See the original NVD description below for full technical details.

CVE
CVE-2020-27632
Severity
HIGH
CVSS
7.5
EPSS
1.21%

Original NVD Description

In SIMATIC MV400 family versions prior to v7.0.6, the ISN generator is initialized with a constant value and has constant increments. An attacker could predict and hijack TCP sessions.

Related CVEs

Other vulnerabilities affecting the same vendor(s)