Remote Device Reboot Vulnerability in RUGGEDCOM and SCALANCE Products
CVE-2021-25676

7.5HIGH

Key Information:

Vendor
Siemens
Status
Ruggedcom Rm1224
Scalance M-800
Scalance S615
Scalance Sc-600
Vendor
CVE Published:
15 March 2021

Summary

A vulnerability exists in several Siemens devices where multiple unsuccessful SSH authentication attempts can lead to a temporary Denial-of-Service condition. This issue causes the affected device to automatically reboot, disrupting normal operations. This can occur under specific circumstances and impacts the reliability and availability of the devices in a networked environment.

Affected Version(s)

RUGGEDCOM RM1224 V6.3

SCALANCE M-800 V6.3

SCALANCE S615 V6.3

References

https://cert-portal.siemens.com/productcert/pdf/ssa-29626...
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https://us-cert.cisa.gov/ics/advisories/icsa-21-068-02
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CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.