Medium severity · published Oct 13, 2026
CVE-2026-89203
A vulnerability has been identified in RUGGEDCOM CROSSBOW (All versions < V6.0)
4.3
CVSS
0.2%
EPSS
No
On KEV
Description
A vulnerability has been identified in RUGGEDCOM CROSSBOW (All versions < V6.0). 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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RC
RUGGEDCOM CROSSBOW · Siemens
before V6.0 · source: vendor
In the news
VulnerabilityHigh
Siemens RUGGEDCOM CROSSBOW
View CSAF
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.
The following versions of Siemens RUGGEDCOM CROSSBOW are affected:
RUGGEDCOM CROSSBOW vers:intdot/<6.0 (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)
CVSS
Vendor
Equipment
v3 8.8
Siemens
RUGGEDCOM CROSSBOW
4 Vulnerabilities
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection'), Authorization Bypass Through User-Controlled Key, Insertion of Sensitive Information Into Sent Data, Client-Side Enforcement of Server-Side Security
Background
Critical Infrastructure Sectors: Critical Manufacturing, Transportation Systems, Energy, Healthcare and Public Health, Financial Services, Government Services and Facilities
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Germany
Vulnerabilities
Expand All +
CVE-2026-89196
Affected devices do not properly validate or sanitiz...
Oct 22, 2026·CISA Advisories
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-89203
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-89203
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-508506.html
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