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RUGGEDCOM CROSSBOW CVE-2026-89201

| EUVDEUVD-2026-98399 HIGH
SQL Injection (CWE-89)
2026-10-13 siemens GHSA-84qj-482m-vxjx
7.7
CVSS 4.0 · Vendor: siemens
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Authenticate with low-privilege account
  2. Delivery
    Inject SQL payload into device group or facility name
  3. Exploit
    Trigger Bulk Export workflow processing
  4. Execution
    Execute arbitrary SQL on backend database
  5. Impact
    Exfiltrate or tamper with database contents

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Parameterized queries, prepared statements
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Persistence

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires an authenticated session on RUGGEDCOM CROSSBOW (versions below V6.0) held by an account with the specific privileges needed to create or edit device group or facility names, and the malicious name must subsequently be processed through the Bulk Export workflow - the injection does not fire until that export runs. Limiting factors: valid credentials and name-editing privileges are mandatory (PR:L, not anonymous), high attack complexity (AC:H) implies additional non-default preconditions must be met for the payload to execute, and only installations still running a version prior to V6.0 are affected, which materially constrains realistic exploitation to insiders or attackers who have already compromised a user account.

Impact

This is a credentialed, moderate-priority vulnerability rather than a mass-exploitation emergency. The CVSS 4.0 vector (AV:N/AC:H/PR:L/UI:N, VC/VI/VA:H, score 7.7) shows a network-reachable but condition-dependent attack: AC:H indicates the attacker must meet non-trivial preconditions, and PR:L confirms valid authenticated access with specific privileges is required - this is not an anonymous remote RCE. The high confidentiality, integrity, and availability impacts are consistent with CWE-89 SQL injection granting broad control over the backend database. No EPSS score, CISA KEV listing, or public POC is present in the supplied data, so there is no public exploit identified at time of analysis and no evidence of active exploitation; the absence of these signals, combined with PR:L and AC:H, points to this being an insider/post-authentication risk in a niche OT product rather than an internet-scale threat. One caveat: the CVSS 4.0 vector omits subsequent-system impact (SC/SI/SA:N) even though SQLi can sometimes pivot beyond the application DB - real-world blast radius depends on database privileges and deployment, which the advisory does not detail.

Exploit ScenarioDerived

A low-privileged but authenticated RUGGEDCOM CROSSBOW user who can define or edit device group or facility names embeds SQL syntax into one of those name fields. When an operator (or the attacker) runs the Bulk Export workflow, the unsanitized name is concatenated into a database query and executed, letting the attacker read, modify, or destroy data in the underlying database. No public exploit code is identified at time of analysis, and the high attack complexity (AC:H) means the injection must satisfy specific preconditions to succeed.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAIv2 – Oct 13, 2026

SQL injection in Siemens RUGGEDCOM CROSSBOW (all versions prior to V6.0) allows an authenticated user who can create or edit device group or facility names to execute arbitrary SQL commands against the underlying database, with the injected payload only firing when those stored names are subsequently processed by the Bulk Export workflow. Attackers must hold valid credentials with name-editing privileges, and the assessed vectors (CVSS 4.0 base 7.7 with AC:H/PR:L; independent CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H) indicate additional non-default preconditions must be satisfied before the payload executes. No public exploit code has been identified at time of analysis, and this is a credentialed, moderate-priority vulnerability rather than a mass-exploitation emergency, with realistic exposure largely limited to insiders or attackers who have already compromised an operator account on an unpatched installation.

Earlier versions of this analysis (1)
v1 Oct 13, 2026 - 10:06 CVSS 7.5

SQL injection in Siemens RUGGEDCOM CROSSBOW (all versions below V6.0) allows an authenticated user who holds the privileges required to run the Bulk Export workflow to inject arbitrary SQL commands through the device group name or facility name field, which is neither validated nor sanitized during export processing. Successful exploitation gives high confidentiality, integrity, and availability impact on the underlying database (CVSS 3.1 base 7.5, AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H), though the attack is not reachable by an unauthenticated remote attacker against a default configuration and requires non-trivial conditions to trigger reliably. No public exploit code or confirmed active exploitation was identified at time of analysis; this is a genuine but moderate-priority issue rather than an urgent one, with the primary fix being an upgrade to V6.0 or later.

RemediationAI

Upgrade RUGGEDCOM CROSSBOW to V6.0 or later, which is the version boundary at which Siemens fixed the improper input validation in the Bulk Export workflow; follow Siemens Security Advisory SSA-508506 (https://cert-portal.siemens.com/productcert/html/ssa-508506.html) for the vendor's upgrade instructions and any product-specific hardening guidance. No vendor-released patch is identified for releases earlier than V6.0, so the upgrade is the only definitive fix, and inventory should be checked for installations still on the pre-V6.0 branch. Where upgrading cannot be performed immediately, apply compensating controls with their trade-offs in mind: restrict the privilege to create or edit device group and facility names to a small set of trusted administrator accounts so ordinary operators cannot inject payloads (reduces operational flexibility and may slow routine provisioning), audit and if necessary purify existing group and facility names before running any Bulk Export so dormant payloads do not fire (renaming can break downstream export templates or naming conventions that reference the old values), run Bulk Export only with a least-privilege database account so injected SQL cannot reach unrelated tables (may break export features that legitimately need broader read access), and constrain network reachability to the CROSSBOW management interface to trusted administrative segments (complicates remote administration and does not stop an already-authenticated insider). Logging and alerting on Bulk Export executions and on changes to group/facility names provides detection coverage for the stored-injection pattern until the upgrade is complete.

Affected VersionsENISA

RUGGEDCOM CROSSBOW 0 <V6.0

Affects your stack

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Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The root cause is CWE-89 (Improper Neutralization of Special Elements used in an SQL Command). RUGGEDCOM CROSSBOW is Siemens' network management application for RUGGEDCOM devices in OT/industrial environments, and its Bulk Export workflow builds database queries from user-supplied metadata such as device group and facility names instead of using parameterized statements or strict allow-list validation. Because the malicious name is persisted first and only concatenated into a SQL statement later during the export operation, this is effectively a stored (second-order) injection: the write action succeeds harmlessly, and the arbitrary SQL executes at export time under the application's database privileges. The CPE cpe:2.3:a:siemens:ruggedcom_crossbow:*:*:*:*:*:*:*:* confirms the advisory covers the entire product line rather than a single build. Successful exploitation gives the attacker high confidentiality, integrity, and availability impact on the backend database (VC:H/VI:H/VA:H) with scope unchanged, meaning a read/write capability over application data and potentially the ability to disrupt exports or corrupt stored configuration, though the assessed vector does not extend impact to other components.

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Severity by source

Vendor (siemens) PRIMARY 7.7 HIGH
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
vuln.today AI 7.5 HIGH

Network-reachable workflow but requires authenticated low-privilege account (PR:L) and specific preconditions to land the injection (AC:H); SQLi yields full database C/I/A impact with no scope change.

3.1 AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
4.0 AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (siemens).

CVSS VectorVendor: siemens

Attack Vector
Network
Attack Complexity
High
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vulnerable system: Confidentiality
High
Vulnerable system: Integrity
High
Vulnerable system: Availability
High
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

Lifecycle Timeline

2
CVSS changed
Oct 13, 2026 - 10:22 NVD
7.5 (HIGH) 7.7 (HIGH)
CVE Published
Oct 13, 2026 - 09:19 cve.org
HIGH 7.5

DescriptionCVE.org

A vulnerability has been identified in RUGGEDCOM CROSSBOW (All versions < V6.0). 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.

Executive ViewAI

Why It Matters

Siemens RUGGEDCOM CROSSBOW installations running versions prior to V6.0 are exposed to a SQL injection that allows an authenticated user with name-editing privileges to eventually execute arbitrary SQL against the product's database through the Bulk Export workflow. No public exploit identified at time of analysis, and no vendor-released patch identified at time of analysis, so the practical risk is concentrated among insiders or attackers who have already compromised an operator account on an unpatched installation. Leadership should care because the affected system is used in operational-technology environments, where database compromise can affect data integrity and availability, and because the lack of a patch forces reliance on access controls and monitoring.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis; interim mitigations include restricting device group and facility name editing to trusted administrators, auditing accounts with name-editing privileges, monitoring Bulk Export activity and database logs, applying least privilege, and considering network segmentation or additional access controls for Siemens RUGGEDCOM CROSSBOW versions prior to V6.0.

Threat Intelligence Overview

EPSS Score
0.4%
Top 69% exploitable
Prevalence
Low
niche Siemens OT/substation access-management product, limited industrial footprint
Social Media
1
Sightings
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.4%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact
High

Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +38
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

SQL injection exploits the way applications construct database queries by mixing user input directly into SQL statements.

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