CVE-2025-59093 - CVE House
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Status published High CVE-2025-59093

Insecure Password Derivation Function for Database Administrator in dormakaba Kaba exos 9300

Vulnerability Description

Exos 9300 instances are using a randomly generated database password to connect to the configured MSSQL server. The password is derived from static random values, which are concatenated to the hostname and a random string that can be read by every user from the registry. This allows an attacker to derive the database password and get authenticated access to the central exos 9300 database as the user Exos9300Common. The user has the roles ExosDialog and ExosDialogDotNet assigned, which are able to read most tables of the database as well as update and insert into many tables.

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:
All versions, manual mitigation needed!

Timeline

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

CVSS Vectors

Weaknesses (CWE)

CWE-656

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.