AUGUST 5, 2026
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Case File

CVE-2023-36521

HIGH · CVSS 8.6 EPSS 0.63%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-07-11 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.6. It may lead to a denial-of-service condition.

CVE
CVE-2023-36521
Severity
HIGH
CVSS
8.6
EPSS
0.63%

Original NVD Description

A vulnerability has been identified in SIMATIC MV540 H (All versions < V3.3.4), SIMATIC MV540 S (All versions < V3.3.4), SIMATIC MV550 H (All versions < V3.3.4), SIMATIC MV550 S (All versions < V3.3.4), SIMATIC MV560 U (All versions < V3.3.4), SIMATIC MV560 X (All versions < V3.3.4). The result synchronization server of the affected products contains a vulnerability that may lead to a denial of service condition. An attacker may cause a denial of service situation of all socket-based communication of the affected products if the result server is enabled.

Related CVEs

Other vulnerabilities affecting the same vendor(s)