CVE Vulnerability

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
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
Configurations

Configuration 1
Information

Published : 2021-03-15 05:15

Updated : 2021-04-20 05:41

NVD link : CVE-2021-25676

Mitre link : CVE-2021-25676

Products Affected

Ruggedcom Rm1224 Firmware

Siemens

CWE
CWE-307

Improper Restriction of Excessive Authentication Attempts