Unauthenticated RPC Service in dormakaba Kaba exos 9300
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-798.
Summary
An RPC service, which is part of exos 9300, is reachable on port 4000, run by the process FSMobilePhoneInterface.exe. This service is used for interprocess communication between services and the Kaba exos 9300 GUI, containing status information about the Access Managers. Interacting with the service does not require any authentication. Therefore, it is possible to send arbitrary status information about door contacts etc. without prior authentication.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Kaba exos 9300 (dormakaba) Fixed in 4.4.0
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
dormakaba Kaba exos 9300 — dormakabagroup.com/en/security-advisories
7 records Highest priority Priority MEDIUM 3 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2025-36706 Hardcoded Legacy Accounts Allowing Control Over Access Managers in dormakaba Kaba exos 9300Priority MEDIUM 50
- TI-2025-36705 Unauthenticated SOAP API in dormakaba Kaba exos 9300Priority MEDIUM 48
- TI-2025-36709 Local Privilege Escalation in dormakaba Kaba exos 9300 System managementPriority LOW 38
Timeline
- 2026-10-02 Threatist record created from CVE-2025-59092
- 2026-10-03 Alias added: GHSA-wpq4-rhv3-hm63
References
More dormakaba vulnerabilities
- TI-2024-38408 Dormakaba Saflok System 6000 Key Generation Cryptographic Weakness CVSS 4.0HIGH 8.7
- TI-2025-36706 Hardcoded Legacy Accounts Allowing Control Over Access Managers in dormakaba Kaba exos 9300 CVSS 4.0CRITICAL 9.3
- TI-2025-36712 Unauthenticated SOAP API in dormakaba access manager CVSS 4.0CRITICAL 9.3
- TI-2025-36718 Weak Default Passwords for SSH Access in dormakaba access manager CVSS 4.0CRITICAL 9.2
- TI-2025-36705 Unauthenticated SOAP API in dormakaba Kaba exos 9300 CVSS 4.0CRITICAL 9.3
- TI-2025-36714 Unauthenticated Path Traversal in dormakaba access manager CVSS 4.0HIGH 8.8
Sources
- CVE-2025-59092 · CVE Program
- CVE-2025-59092 · NVD
- FIRST EPSS
- GHSA-wpq4-rhv3-hm63 · 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