VULNERABILITY INTELLIGENCE
CVE-2020-25242
CVSS score7.5 HIGH
EPSS probability1.27%
CISA KEVNot currently listed
Published2021-05-12
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
Weakness classification
- CWE-400: Uncontrolled Resource Consumption
Primary references
- productcert@siemens.com — Vendor Advisory
- productcert@siemens.com — Vendor Advisory
- productcert@siemens.com — Vendor Advisory
- productcert@siemens.com — Vendor Advisory
- productcert@siemens.com — Third Party Advisory, US Government Resource
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, US Government Resource