Full Report
Authentication Bypass Using an Alternate Path or Channel vulnerability (CVE-2025-9313) has been found in Asseco mMedica software.
Analysis Summary
# Vulnerability: Authentication Bypass in Asseco mMedica via Alternate Channel
## CVE Details
- CVE ID: CVE-2025-9313
- CVSS Score: Information not explicitly provided in the text, derived severity is **High** given the nature of the bypass.
- CWE: CWE-288 (Authentication Bypass Using an Alternate Path or Channel)
## Affected Systems
- Products: Asseco mMedica software
- Versions: All versions before 11.9.5
- Configurations: Applicable when an authenticated connection exists via the `mmBackup` application.
## Vulnerability Description
This vulnerability allows an unauthenticated user to connect to a publicly accessible database instance using arbitrary credentials. The system incorrectly grants full database access by leveraging a previously authenticated connection established through the `mmBackup` application. This flaw effectively bypasses standard authentication controls, leading to unauthorized access to sensitive database information.
## Exploitation
- Status: Not explicitly stated as exploited in the wild, but the vulnerability report implies potential risk.
- Complexity: Likely **Low** or **Medium**, given it involves leveraging an existing authenticated channel (`mmBackup`).
- Attack Vector: Network (as it targets a publicly accessible database connection).
## Impact
- Confidentiality: **High** (Full access to sensitive database data).
- Integrity: **High** (Ability to alter or delete data via the database connection).
- Availability: **High** (Potential to disrupt service via database manipulation).
## Remediation
### Patches
- **Asseco mMedica version 11.9.5** or later.
### Workarounds
- The vendor strongly recommends immediate system update to resolve the issue. No explicit workarounds were detailed in the provided text beyond patching.
## Detection
- Indicators of Compromise: Unauthorized connections or queries observed against the database instance that should only be accessible via the restricted channel (`mmBackup`).
- Detection methods and tools: Monitoring access logs for the database instance for unusual connection attempts or credential usage bypassing primary authentication methods.
## References
- Vendor Advisory (Coordination source): hxxps://cert.pl/en/news/
- CVE Record: hxxps://www.cve.org/CVERecord?id=CVE-2025-9313