CVE-2025-59092

Unauthenticated RPC Service in dormakaba Kaba exos 9300

Published Jan 26, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

An update to the latest version of exos is recommended, at least exos 4.4.0.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Dormakaba
Dormakaba kaba Exos 9300
Vendors & Products Dormakaba
Dormakaba kaba Exos 9300
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Unauthenticated RPC Service in dormakaba Kaba exos 9300
Weaknesses CWE-798
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
SEC-VLab
Published
Updated
Jan 26, 2026, 5:25 PM
Reserved
Sep 9, 2025, 7:52 AM
Status
Deferred
Published
Jan 26, 2026, 10:16 AM
Modified
Jun 17, 2026, 9:45 AM