SSA-508506

Siemens Security Advisory by Siemens ProductCERT

SSA-508506: Multiple Vulnerabilities in RUGGEDCOM CROSSBOW

Publication Date:	2026-10-13
Last Update:	2026-10-13
Current Version:	V1.0
CVSS v3.1 Base Score:	8.8
CVSS v4.0 Base Score:	8.7

SUMMARY

RUGGEDCOM CROSSBOW contains multiple vulnerabilities that could allow an attacker to execute arbitrary SQL commands on the underlying database, retrieve sensitive administrative credentials, escalate privileges, and perform unauthorized operations such as modifying system configurations or causing a denial of service.

Siemens has released a new version for RUGGEDCOM CROSSBOW and recommends to update to the latest version.

KNOWN AFFECTED PRODUCTS

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Affected Product and Versions	Remediation
RUGGEDCOM CROSSBOW All versions < V6.0 affected by all CVEs CVE-2026-89196 CVE-2026-89197 CVE-2026-89198 CVE-2026-89199 CVE-2026-89200 CVE-2026-89201 CVE-2026-89202 CVE-2026-89203 CVE-2026-89204 CVE-2026-89205 CVE-2026-89206	Update to V6.0 or later version https://support.industry.siemens.com/cs/ww/en/view/110006651/

MITIGATIONS

Product-specific remediations or mitigations can be found in the section Known Affected Products.
Please follow the General Security Recommendations.

GENERAL SECURITY RECOMMENDATIONS

As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity

PRODUCT DESCRIPTION

RUGGEDCOM CROSSBOW is a secure access management solution designed to provide NERC CIP compliant access to Intelligent Electronic Devices.

VULNERABILITY DESCRIPTION

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This chapter describes all vulnerabilities (CVE-IDs) addressed in this security advisory. Wherever applicable, it also documents the product-specific impact of the individual vulnerabilities.

Vulnerability CVE-2026-89196

Affected devices do not properly validate or sanitize input in facility names processed during the Bulk Import/Export workflow. This could allow an authenticated attacker with specific privileges to execute arbitrary SQL commands on the underlying database.

CVSS v3.1 Base Score	8.8
CVSS v3.1 Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0 Base Score	8.7
CVSS v4.0 Vector	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE	CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Vulnerability CVE-2026-89197

Affected devices do not properly validate or sanitize input in the Value field of notification conditions processed during the Notification Profile configuration. This could allow an authenticated attacker with specific privileges to execute arbitrary SQL commands on the underlying database.

CVSS v3.1 Base Score	8.8
CVSS v3.1 Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0 Base Score	8.7
CVSS v4.0 Vector	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE	CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Vulnerability CVE-2026-89198

Affected devices do not properly validate or sanitize the filename of firmware files uploaded to the system. This could allow an authenticated attacker with specific privileges to execute arbitrary SQL commands on the underlying database.

CVSS v3.1 Base Score	8.8
CVSS v3.1 Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0 Base Score	8.7
CVSS v4.0 Vector	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE	CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Vulnerability CVE-2026-89199

Affected devices do not properly restrict access to sensitive configuration items via specific database queries. This could allow an authenticated attacker to retrieve administrative credentials for various internal systems, leading to unauthorized information disclosure and privilege escalation.

CVSS v3.1 Base Score	8.8
CVSS v3.1 Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0 Base Score	8.7
CVSS v4.0 Vector	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE	CWE-639: Authorization Bypass Through User-Controlled Key

Vulnerability CVE-2026-89200

Affected devices do not properly validate or sanitize input in the Name and Value fields for custom file labels. This could allow an authenticated attacker with administrative privileges to execute arbitrary SQL commands on the underlying database.

CVSS v3.1 Base Score	6.7
CVSS v3.1 Vector	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0 Base Score	8.4
CVSS v4.0 Vector	CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE	CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Vulnerability CVE-2026-89201

Affected devices do not properly validate or sanitize input in device group or facility names processed during the Bulk Export workflow. This could allow an authenticated attacker with specific privileges to execute arbitrary SQL commands on the underlying database.

CVSS v3.1 Base Score	7.5
CVSS v3.1 Vector	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0 Base Score	7.7
CVSS v4.0 Vector	CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE	CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Vulnerability CVE-2026-89202

Affected devices do not properly perform authorization checks for device disconnection requests. This could allow an authenticated attacker with minimal privileges to disconnect active sessions of other users, including administrators, leading to a denial of service.

CVSS v3.1 Base Score	6.5
CVSS v3.1 Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0 Base Score	7.1
CVSS v4.0 Vector	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CWE	CWE-639: Authorization Bypass Through User-Controlled Key

Vulnerability CVE-2026-89203

Affected devices do not properly restrict access to various database queries, allowing users to retrieve system-wide information that is not intended for their privilege level. This could allow an authenticated attacker to gather sensitive information about the system's infrastructure, including details on all devices, substations, users, and scheduled activities.

CVSS v3.1 Base Score	4.3
CVSS v3.1 Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0 Base Score	5.3
CVSS v4.0 Vector	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CWE	CWE-201: Insertion of Sensitive Information Into Sent Data

Vulnerability CVE-2026-89204

Affected devices do not properly restrict access to database queries used for subnet management. This could allow an authenticated attacker to read, modify, or delete subnet configurations, leading to unauthorized information disclosure and data manipulation.

CVSS v3.1 Base Score	5.4
CVSS v3.1 Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0 Base Score	5.3
CVSS v4.0 Vector	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
CWE	CWE-639: Authorization Bypass Through User-Controlled Key

Vulnerability CVE-2026-89205

Affected devices do not properly perform server-side authorization checks for requests to schedule special operations. This could allow an authenticated attacker with minimal privileges to schedule unauthorized operations on devices.

CVSS v3.1 Base Score	6.3
CVSS v3.1 Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0 Base Score	5.3
CVSS v4.0 Vector	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CWE	CWE-602: Client-Side Enforcement of Server-Side Security

Vulnerability CVE-2026-89206

Affected devices do not properly perform server-side authorization checks for requests to modify the state of scheduled actions. This could allow an authenticated attacker with minimal privileges to retry, stop, or delete scheduled tasks without proper authorization.

CVSS v3.1 Base Score	6.3
CVSS v3.1 Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0 Base Score	5.3
CVSS v4.0 Vector	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CWE	CWE-602: Client-Side Enforcement of Server-Side Security

ADDITIONAL INFORMATION

For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories

HISTORY DATA

V1.0 (2026-10-13):

Publication Date

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