CVE-2026-89202

Vulnerability in Siemens RUGGEDCOM CROSSBOW

CVSS score

6.5

EPSS probability

—

Risk score

0.7

Published

8 h ago

Overview Public Exploits (0)Newsroom Vulnerability Timeline

Patch status has not yet been verified

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Impact on My Inventory

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Vulnerability description

CVE AI research

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DayBreach AI Explanation

Verified against sources

Authorization Vulnerability in Siemens RUGGEDCOM CROSSBOW

Sources read

Source agreement

Tam uyum

Evidence confidence

%63

Short explanation

A vulnerability identified in Siemens RUGGEDCOM CROSSBOW stems from improper authorization checks for device disconnection requests. This allows an authenticated attacker to disconnect active sessions of other users.

Why does it matter?

This vulnerability enables attackers to terminate sessions for other users, including administrators, which can result in a denial of service and disrupt operational continuity.

What should be done?

Follow the official vendor advisory
Monitor updates as the patch status remains unknown

Chain of evidence and sources3 verified claims

Siemens RUGGEDCOM CROSSBOW V6.0 öncesi sürümlerde cihaz bağlantı kesme istekleri için yetkilendirme denetimleri düzgün yapılmamaktadır.

S0 · daybreach-canonical S1 · cvelist S2 · nvd

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S0 · daybreach-canonical S1 · cvelist S2 · nvd

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S0 · daybreach-canonical

Show the technical text from the sources

A vulnerability has been identified in RUGGEDCOM CROSSBOW (All versions < V6.0). 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 vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE: CWE-639

Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-89202 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

ID	VENDOR	PRODUCT	ACTION
1	siemens	RUGGEDCOM CROSSBOW	View

Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCORE	VERSION	SEVERITY	VECTOR	SOURCE
7.1	CVSS V40	HIGH	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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X	NVD
7.1	CVSS V4_0	HIGH	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	CVE CNA
6.5	CVSS V31	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	NVD
6.5	CVSS V3_1	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CVE CNA

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

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Confirm the affected product and version against the source evidence above.

Restrict access to internet-facing services and apply network segmentation.

Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.

Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-89202 is associated with the following CWEs:

CWE-639: Common Weakness Enumeration Entry CWE-639

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-89202 weaknesses.

CAPEC-66: SQL Injection CAPEC-126: Path Traversal CAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden

PermissionsLow

UserGerekmiyor

Official Sources and Advisories

https://cert-portal.siemens.com/productcert/html/ssa-508506.htmlvendor-advisory

CVSS Vector Radar Chart

6.5 / 10

Vulnerability Scoring Details

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow privileges

User InteractionNone required

Confidentiality (Gizlilik)Low

Integrity (Bütünlük)None

Availability (Erişilebilirlik)High

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

siemens

Weakness Type (CWE & CAPEC)

CWE-639

Similar Vulnerabilities

10.0

CVE-2021-44228 Actively exploited

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