Authorization bypass in Siemens RUGGEDCOM CROSSBOW exposes admin credentials
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · 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 restrict access to sensitive configuration items through specific database queries. An authenticated attacker with low privileges can retrieve administrative credentials for various internal systems, which leads to unauthorized information disclosure and privilege escalation. The weakness is classified as CWE-639.
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 restrict access to sensitive configuration items via specific database queries. This could allow an authenticated attacker to retrieve administrative credentials for various internal systems, leading to unauthorized information disclosure and privilege escalation.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Update Siemens RUGGEDCOM CROSSBOW to V6.0 or later.
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-2026-71586 SQL injection in Siemens RUGGEDCOM CROSSBOW via firmware filenamesPriority LOW 39
- TI-2026-71585 SQL injection in Siemens RUGGEDCOM CROSSBOW notification profilesPriority LOW 39
- TI-2026-71584 SQL injection in Siemens RUGGEDCOM CROSSBOW Bulk Import/ExportPriority LOW 39
Timeline
- 2026-10-13 Threatist record created from CVE-2026-89199
- 2026-10-13 Alias added: GHSA-cjf3-3mcw-2vg2
- 2026-10-13 CISA SSVC decision points changed
- 2026-10-13 Priority changed: MEDIUM → LOW
- 2026-10-14 Priority changed: LOW → MEDIUM
- 2026-10-25 Priority changed: MEDIUM → LOW
References
More Siemens vulnerabilities
- 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
Sources
- CVE-2026-89199 · CVE Program
- CVE-2026-89199 · NVD
- FIRST EPSS
- GHSA-cjf3-3mcw-2vg2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences