7.5

CVE-2021-25676

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Siemens ≫ Ruggedcom Rm1224 Firmware Version 6.3
   Siemens ≫ Ruggedcom Rm1224 Version -
Siemens ≫ Scalance M-800 Firmware Version 6.3
   Siemens ≫ Scalance M-800 Version -
Siemens ≫ Scalance S615 Firmware Version 6.3
   Siemens ≫ Scalance S615 Version -
Siemens ≫ Scalance Sc-600 Firmware Version >= 2.1 < 2.1.3
   Siemens ≫ Scalance Sc-600 Version -
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.29% 0.665
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NIST 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE-307 Improper Restriction of Excessive Authentication Attempts

The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.

https://cert-portal.siemens.com/productcert/pdf/ssa-296266.pdf
Vendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-068-02
Third Party Advisory
US Government Resource