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RUGGEDCOM CROSSBOW EUVDEUVD-2026-98395

| CVE-2026-89197 HIGH
SQL Injection (CWE-89)
2026-10-13 siemens GHSA-wp48-pjcp-hmhm
8.7
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
    Open Notification Profile configuration
  3. Exploit
    Inject SQL into condition Value field
  4. Execution
    Device executes arbitrary SQL on 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 account possessing the specific privileges needed to access and configure a Notification Profile; the injection point is the Value field of a notification condition processed during Notification Profile configuration, so the attacker must be able to reach that configuration workflow. This is network-reachable (AV:N) against affected RUGGEDCOM CROSSBOW instances running any version below V6.0, with no user interaction required. The primary limiting factor is the privilege prerequisite (PR:L) - unauthenticated outsiders cannot reach the vulnerable field - which narrows realistic exploitation to users who already hold valid, suitably-privileged credentials or attackers who have otherwise obtained them.

Impact

This is a credible, actionable priority rather than an inflated high-score issue, though not an emergency. The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N) describes a network-reachable, low-complexity attack requiring only low-level authenticated privileges and no user interaction, with full high impact to confidentiality, integrity, and availability of the underlying database (VC:H/VI:H/VA:H) - consistent with a classic SQL injection (CWE-89). No EPSS score, CISA KEV listing, or public POC was provided in the source data, so there is no public exploit identified at time of analysis and no evidence of active exploitation. The limiting factor is the PR:L requirement: an attacker must already hold a valid account with the specific privileges needed to reach the Notification Profile configuration, which meaningfully reduces the exposed population to authenticated users (insiders or attackers who have obtained valid credentials). The signals are internally consistent - there is no conflict between the network vector and the description, which also describes remote, authenticated database access. Net: real risk for operators of affected RUGGEDCOM CROSSBOW instances given the full-impact database compromise, but the authentication prerequisite and absence of known exploitation argue for prompt-but-scheduled patching rather than crisis response.

Exploit ScenarioDerived

An authenticated attacker holding an account with privileges to configure Notification Profiles submits a crafted value in the Value field of a notification condition, injecting SQL that the device executes against its backend database. By doing so they can read, modify, or destroy data in that database - for example extracting stored credentials or device/access records, or corrupting configuration state. No public exploit code was provided in the source data.

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 the Value field of notification conditions handled by the Notification Profile configuration in RUGGEDCOM CROSSBOW (all versions before V6.0) allows an authenticated, suitably privileged user to execute arbitrary SQL commands against the product's underlying database. The flaw is network-reachable with no user interaction required, but it is gated by the privilege prerequisite - only accounts that can reach the Notification Profile configuration workflow can trigger it - so unauthenticated outsiders cannot exploit it directly; there is no public exploit identified at time of analysis. Siemens has published advisory SSA-508506 and V6.0 is the fixed release; given the high confidentiality, integrity, and availability impact on the CROSSBOW database and its OT-context role, this is a credible, actionable patch priority rather than an inflated alert.

Earlier versions of this analysis (1)
v1 Oct 13, 2026 - 10:05 CVSS 8.8

Authenticated SQL injection in Siemens RUGGEDCOM CROSSBOW versions prior to V6.0 allows an attacker who holds a valid account with the privileges needed to reach the Notification Profile configuration workflow to inject arbitrary SQL through the Value field of a notification condition, which the application processes without validation or sanitization. Successful exploitation permits execution of arbitrary SQL commands against the underlying database, giving high impact to confidentiality, integrity, and availability of stored data; the vector is network-reachable with low attack complexity, no user interaction required, and a low-privilege prerequisite (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H), yielding a score of 8.8. This is not remote-unauthenticated exploitation - credentials and the requisite privilege level are mandatory - and no public exploit has been identified at time of analysis, so the issue is a credible above-average-priority fix rather than an emergency; upgrading to V6.0 or later removes the exposure.

RemediationAI

Vendor-released patch: V6.0 - upgrade RUGGEDCOM CROSSBOW to V6.0 or later, per Siemens advisory SSA-508506 (https://cert-portal.siemens.com/productcert/html/ssa-508506.html), and verify the build after upgrading. No vendor-supplied workaround that fully removes the injection is documented; compensating controls are therefore interim measures only. Restrict who can reach and use the Notification Profile configuration screens and the corresponding management interface - limit the privilege to a small set of trusted administrators and block management-port access from untrusted networks (this shrinks the attack surface but does not fix the code path, and over-restricting can impede legitimate configuration work). Since the injection executes with the application's database credentials, apply least privilege to the CROSSBOW database account (remove DDL and cross-schema rights, revoke unnecessary grants) so a successful injection has less reach - a trade-off if the application relies on broader rights for upgrades or reporting. Enable and review database and application auditing for anomalous SQL errors or unexpected queries from configuration sessions, and rotate any credentials, secrets, or device configuration data stored in the database if compromise is suspected. Note that exploitation requires valid, suitably privileged credentials, so tightening credential hygiene and reviewing accounts with Notification Profile access is a meaningful short-term risk reduction while patching proceeds.

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 (SQL Injection): user-supplied input in the Value field of a notification condition is incorporated into a database query during Notification Profile configuration without proper validation, sanitization, or parameterization, so an attacker who controls that field can alter query structure. RUGGEDCOM CROSSBOW is Siemens' secure remote-access and management platform for substation/OT environments, and its configuration and audit data live in a back-end database; because the injection is server-side and executed with the application's own database privileges, successful exploitation yields read/write access to that data rather than merely reflecting input. The CPE cpe:2.3:a:siemens:ruggedcom_crossbow:*:*:*:*:*:*:*:* confirms the wildcard applies to every shipping version, with the fix boundary set at V6.0. The vendor-assigned CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N, with high VC/VI/VA and no subsequent-system impact) and our independent CVSS 3.1 assessment (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) agree on the shape of the issue: network-reachable, low attack complexity, no user interaction, but requiring a low-privileged authenticated account that can access the Notification Profile workflow. The absence of an S:U-to-scope change or subsequent-system metrics means impact is confined to the CROSSBOW server and its database.

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Severity by source

Vendor (siemens) PRIMARY 8.7 HIGH
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
vuln.today AI 8.8 HIGH

Network-reachable SQL injection needing only a low-privilege authenticated account (PR:L) and no user interaction, yielding full read/write/destroy control of the backend database (C/I/A:H).

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.0 AV:N/AC:L/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
Low
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
8.8 (HIGH) 8.7 (HIGH)
CVE Published
Oct 13, 2026 - 09:19 cve.org
HIGH 8.8

DescriptionCVE.org

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

Executive ViewAI

Why It Matters

A high-severity SQL injection flaw in RUGGEDCOM CROSSBOW, Siemens' OT network management platform used to supervise substation and industrial networks, lets a privileged operator account run arbitrary commands against the product's underlying database, putting the configuration and operational data that supports critical infrastructure visibility at risk of exposure, tampering, or loss. Exploitation is gated by an authenticated account with access to the Notification Profile configuration workflow, so the realistic threat is an insider or a compromised administrator credential rather than an outside attacker, and no public exploit code or active exploitation has been identified at time of analysis. Leadership should care because the affected asset sits in the OT control path, and remediation requires coordinated upgrade work on systems that may not tolerate unplanned downtime.

Business Impact: High
Compensating Controls

Apply vendor patch (upgrade to RUGGEDCOM CROSSBOW V6.0 per Siemens advisory SSA-508506); until the upgrade is complete, limit Notification Profile configuration access to trusted privileged accounts, minimize the CROSSBOW database account's privileges, and monitor configuration-change and database logs for anomalous SQL activity.

Threat Intelligence Overview

EPSS Score
0.4%
Top 65% exploitable
Prevalence
Low
niche Siemens OT access-management product for utility/substation environments
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

44
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +44
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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