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TI-2026-71590 Aliases CVE-2026-89202GHSA-93m5-29fc-fvm2

Missing authorization checks in Siemens RUGGEDCOM CROSSBOW

Priority LOW 31CWE-639Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

Siemens RUGGEDCOM CROSSBOW versions before V6.0 are affected. The affected devices do not properly check authorization for device disconnection requests (CWE-639). An authenticated attacker with minimal privileges can disconnect active sessions of other users, including administrators, which causes a denial of service.

Written with Claude Haiku 5.5 from the sources below · 2026-10-27

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00217 12th percentileScored 2026-11-07
Fix Fixed RUGGEDCOM CROSSBOW (Siemens): V6.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensRUGGEDCOM CROSSBOWbefore V6.0V6.0Patch availableCNA
  • RUGGEDCOM CROSSBOW VendorSiemens Affected before V6.0 Fixed in V6.0 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:siemens:ruggedcom_crossbow:*:*:*:*:*:*:*:*——Siemens
  • cpe:2.3:a:siemens:ruggedcom_crossbow:*:*:*:*:*:*:*:* Versions — — ·Siemens

Remediation

Siemens lists V6.0 as the fixed version of RUGGEDCOM CROSSBOW, so update affected installations to V6.0.

Written with Claude Haiku 5.5 from the sources below · 2026-10-27

  • Fix · CNA RUGGEDCOM CROSSBOW (Siemens) Fixed in V6.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Siemens RUGGEDCOM CROSSBOW V6.0

    11 records Highest priority Priority LOW 11 LOW

    Other records, highest priority first

    • TI-2026-71587 Authorization bypass in Siemens RUGGEDCOM CROSSBOW exposes admin credentialsPriority LOW 39
    • TI-2026-71586 SQL injection in Siemens RUGGEDCOM CROSSBOW via firmware filenamesPriority LOW 39
    • TI-2026-71585 SQL injection in Siemens RUGGEDCOM CROSSBOW notification profilesPriority LOW 39
    Show all 11 records →

Timeline

  1. 2026-10-13 Threatist record created from CVE-2026-89202
  2. 2026-10-13 Alias added: GHSA-93m5-29fc-fvm2
  3. 2026-10-14 Priority changed: MEDIUM → LOW
  4. 2026-10-16 CISA SSVC decision points changed

References

Other 1

  • TI-2026-20057 Authentication bypass in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.4
  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-18911 Heap-based buffer overflow in Fortinet FortiSwitchManager KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-09686 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-07142 Code injection in Spring Framework KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
See all 2487 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences