CVE-2020-25242

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

A vulnerability has been identified in SIMATIC NET CP 343-1 Advanced (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Lean (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Standard (incl. SIPLUS variants) (All versions). Specially crafted packets sent to TCP port 102 could cause a Denial-of-Service condition on the affected devices. A cold restart might be necessary in order to recover.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-400

Affected software

VendorProductVersions
SiemensSIMATIC NET CP 343-1 Advanced (incl. SIPLUS variants)All versions
SiemensSIMATIC NET CP 343-1 Lean (incl. SIPLUS variants)All versions
SiemensSIMATIC NET CP 343-1 Standard (incl. SIPLUS variants)All versions

References

Timeline

Published
May 12, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

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CVE-2020-25242: High severity, CVSS 7.5 | Vulnix