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RUGGEDCOM CROSSBOW CVE-2026-89196

| EUVDEUVD-2026-98394 HIGH
SQL Injection (CWE-89)
2026-10-13 siemens GHSA-mwv8-v6cw-hqg7
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 required Bulk Import/Export privilege
  2. Delivery
    Craft malicious facility name payload
  3. Exploit
    Submit via Bulk Import/Export workflow
  4. Execution
    Unsanitized input reaches SQL query
  5. Persist
    Execute arbitrary SQL on database
  6. Impact
    Exfiltrate or tamper access-management data

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 holding the specific privileges needed to use the Bulk Import/Export workflow in RUGGEDCOM CROSSBOW (all versions < V6.0); the attacker injects SQL through unsanitized facility name fields processed during that import/export operation. Limiting factors: valid privileged credentials are mandatory (PR:L - this is not unauthenticated), and the attack path is confined to the Bulk Import/Export facility-name handling rather than any arbitrary request, so an attacker lacking that workflow privilege cannot reach the vulnerable code.

Impact

This is a genuine but access-gated priority. The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N) and the 8.7 base score reflect network-reachable, low-complexity SQL injection (CWE-89) with high confidentiality, integrity, and availability impact on the backend database - serious because RUGGEDCOM CROSSBOW manages privileged access to industrial/substation infrastructure. However, PR:L confirms an attacker must already hold valid, specifically-privileged credentials, which meaningfully narrows the threat population versus a PR:N flaw and points toward insider or post-compromise abuse rather than opportunistic mass exploitation. No EPSS probability, no CISA KEV listing, and no public POC were provided in the input, so there is no signal of active or widespread exploitation at this time; exploitation status is therefore 'no public exploit identified at time of analysis.' There are no conflicting signals here - the single Siemens advisory is the only source - but the ICS/OT deployment context means that even a credentialed-only bug can be high-consequence where it is deployed. Overall: patch promptly in OT environments, but it is not an internet-wide emergency.

Exploit ScenarioDerived

An authenticated operator or attacker who has obtained an account with the required Bulk Import/Export privileges submits an import containing a crafted facility name embedding SQL syntax. Because the input is not validated or sanitized, the payload is executed against the underlying database, letting the attacker read, modify, or destroy access-management data. No public exploit code is identified at time of analysis, and exploitation requires low attack complexity but valid privileged credentials.

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

Authenticated SQL injection in Siemens RUGGEDCOM CROSSBOW (all versions prior to V6.0) allows a user with the specific privileges needed to use the Bulk Import/Export workflow to execute arbitrary SQL commands against the underlying database via unsanitized facility name fields. The vulnerability is network-reachable, low-complexity, and requires no user interaction, but it is access-gated: a valid privileged account is mandatory, so an attacker lacking that workflow privilege cannot reach the vulnerable code. No public exploit code or confirmed active exploitation was identified at time of analysis, and the vendor has published an advisory (SSA-508506) addressing the issue.

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

SQL injection in Siemens RUGGEDCOM CROSSBOW (all versions below V6.0) allows an authenticated user who can reach the Bulk Import/Export workflow to execute arbitrary SQL commands against the underlying database, yielding full compromise of data confidentiality, integrity, and availability (CVSS 3.1 base 8.8, AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H). The root cause is improper validation or sanitization of facility-name fields processed during bulk import/export, a textbook CWE-89 injection defect, and no victim interaction is required once the attacker is inside the workflow. Exploitation is gated behind valid credentials with the specific privileges needed for that administrative-style feature, and no public exploit code or confirmed active exploitation (CISA KEV) has been identified at time of analysis.

RemediationAI

Vendor-released patch: V6.0 - upgrade RUGGEDCOM CROSSBOW to V6.0 or later, as the affected range is all releases before V6.0; Siemens advisory SSA-508506 (https://cert-portal.siemens.com/productcert/html/ssa-508506.html) provides the official remediation guidance. If immediate upgrade is not possible, restrict access to the Bulk Import/Export workflow to only those administrators who absolutely require it, enforce least-privilege accounts, and monitor database and application logs for anomalous SQL syntax or unexpected facility-name payloads. As a compensating control, validate or sanitize facility name inputs at the application boundary (for example, via a web application firewall with SQL injection signatures) and temporarily disable the Bulk Import/Export feature if it is not operationally essential - noting that disabling the feature may disrupt legitimate bulk provisioning tasks. No vendor-released standalone hotfix or workaround beyond upgrading to V6.0 is specified in the available data.

Affected VersionsENISA

RUGGEDCOM CROSSBOW 0 <V6.0

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Technical ContextAI · show details

The flaw is a classic SQL injection (CWE-89) in the Bulk Import/Export workflow of Siemens RUGGEDCOM CROSSBOW, a network management and security appliance for substation and industrial environments. During bulk import or export operations, facility names are passed to the underlying database without proper validation or sanitization, allowing a user who holds the workflow privilege to inject SQL statements. The CVSS 4.0 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) and our independent CVSS 3.1 assessment (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) both agree that exploitation requires authenticated access with low privileges (PR:L), is network-based, and carries high impact to confidentiality, integrity, and availability of the database and application. The CPE entry cpe:2.3:a:siemens:ruggedcom_crossbow:*:*:*:*:*:*:*:* confirms the affected platform.

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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 workflow (AV:N), simple injection (AC:L), but a privileged application account is required (PR:L); full database read/write/destruction yields C:H/I:H/A:H with no scope change.

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 - 09:18 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 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.

Executive ViewAI

Why It Matters

A high-severity SQL injection vulnerability in Siemens RUGGEDCOM CROSSBOW (all versions prior to V6.0) could allow a user with specific workflow privileges to execute arbitrary database commands, potentially compromising sensitive operational data. Although no public exploit identified at time of analysis, the flaw poses a significant risk to data confidentiality and integrity. Security leadership should prioritize identifying affected systems and implementing interim mitigations while awaiting a vendor patch.

Business Impact: High
Compensating Controls

Restrict Bulk Import/Export workflow privileges to essential personnel, implement database activity monitoring, network segmentation, and follow vendor advisory SSA-508506 for interim mitigations. No vendor-released patch identified at time of analysis.

Threat Intelligence Overview

EPSS Score
0.4%
Top 65% exploitable
Prevalence
Low
niche Siemens industrial access-management product, OT/substation-specific 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

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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