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CVE-2021-25667

A vulnerability has been identified in RUGGEDCOM RM1224 (All versions >= V4.3 and < V6.4), SCALANCE M-800 (All versions >= V4.3 and < V6.4), SCALANCE S615 (All versions >= V4.3 and < V6.4), SCALANC...

Published: Mar 15, 2021Updated: Jun 2, 2026 Sources: CVE List NVD BDU csafCWE-121
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.9%
Top 46.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Several firmware versions of the SCALANCE and RUGGEDCOM devices listed below are affected by a vulnerability in the passive listening feature that could allow an attacker to cause a reboot or, under specific circumstances, attain remote code execution of the affected devices. Siemens has released updates for the affected products and recommends to update to the latest versions.

CVSS Vector Breakdown

AV:AAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-121CWE-787

Affected Products

RUGGEDCOM RM1224Siemens AGICS / OT / IoT
SCALANCE M-800Siemens AGICS / OT / IoT
SCALANCE S615Siemens AGICS / OT / IoT
SCALANCE SC622-2CSiemens AGICS / OT / IoT
SCALANCE SC632-2CSiemens AGICS / OT / IoT
siemens agcommercialDEEnterprise Softwareaka siemens
and 36 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://cert-portal.siemens.com/productcert/csaf/ssa-979775.json
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/txt/ssa-979775.txt
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/pdf/ssa-979775.pdf
cert-portal.siemens.com
and 18 more references View all →

Timeline

Published
Mar 15, 2021
Last Updated
Jun 2, 2026

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