VULNERABILITY INTELLIGENCE

CVE-2021-25676

CVSS score7.5 HIGH

EPSS probability1.34%

CISA KEVNot currently listed

Published2021-03-15

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 RUGGEDCOM RM1224 (V6.3), SCALANCE M-800 (V6.3), SCALANCE S615 (V6.3), SCALANCE SC-600 (All Versions >= V2.1 and < V2.1.3). Multiple failed SSH authentication attempts could trigger a temporary Denial-of-Service under certain conditions. When triggered, the device will reboot automatically.

Weakness classification

productcert@siemens.com: CWE-307

Primary references

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 — Third Party Advisory, US Government Resource