CVE-2025-59092 - CVE House
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Status published High CVE-2025-59092

Unauthenticated RPC Service in dormakaba Kaba exos 9300

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Clemens Stockenreitner, SEC Consult Vulnerability Lab
  • Werner Schober, SEC Consult Vulnerability Lab

References

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Affected Vendor

Affected Software

Kaba exos 9300
Vulnerable Versions:
< 4.4.0

Timeline

Official Publish: January 26th, 2026
Last Modified: January 26th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-798

MITRE ATT&CK TTPs

T1552 Unsecured Credentials
Credential Access
T1078 Valid Accounts
Persistence
T1021 Remote Services
Lateral Movement
T1190 Exploit Public-Facing Application
Initial Access
T1098 Account Manipulation
Privilege Escalation