Authorization Bypass in RUGGEDCOM CROSSBOW Affects Siemens Devices
CVE-2026-89202

7.1HIGH

Key Information:

Vendor

Siemens

Vendor
CVE Published:
13 October 2026

What is CVE-2026-89202?

A significant authorization bypass vulnerability has been discovered in RUGGEDCOM CROSSBOW devices, specifically in all versions prior to 6.0. This flaw permits an authenticated attacker with limited permissions to issue disconnection requests unlawfully. As a result, the attacker can terminate active sessions of other users, including administrators, potentially leading to a Denial of Service condition. Mitigating this vulnerability is crucial to ensuring the integrity and availability of network services.

Affected Version(s)

RUGGEDCOM CROSSBOW 0

References

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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