CVE-2025-8306
📋 TL;DR
CVE-2025-8306 is an access control vulnerability in Asseco InfoMedica healthcare management software that allows low-privileged users to obtain encoded passwords of all accounts, including administrators. This affects healthcare organizations using vulnerable versions of Asseco InfoMedica. When chained with CVE-2025-8307, attackers can escalate privileges to gain full system control.
💻 Affected Systems
- Asseco InfoMedica
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers obtain administrator credentials, gain full system control, access sensitive medical data, disrupt healthcare operations, and potentially chain with other vulnerabilities for further compromise.
Likely Case
Insider threats or compromised low-privilege accounts steal encoded passwords, decode them, and gain unauthorized access to sensitive medical and administrative data.
If Mitigated
With proper network segmentation, monitoring, and access controls, impact is limited to credential exposure requiring additional steps for actual compromise.
🎯 Exploit Status
Requires low-privilege credentials. Chaining with CVE-2025-8307 enables privilege escalation. Healthcare systems are attractive targets.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.50.1 or 5.38.0
Vendor Advisory: https://cert.pl/en/posts/2026/01/CVE-2025-8306/
Restart Required: Yes
Instructions:
1. Backup system and data. 2. Download patch from Asseco vendor portal. 3. Apply patch following vendor instructions. 4. Restart system. 5. Verify fix by testing access controls.
🔧 Temporary Workarounds
Restrict User Access
allLimit low-privilege user access to sensitive modules and implement principle of least privilege.
Enhanced Monitoring
allImplement strict monitoring of user access to password-related functions and credential storage.
🧯 If You Can't Patch
- Implement network segmentation to isolate InfoMedica systems from critical infrastructure
- Deploy application-level firewalls to monitor and restrict access to vulnerable endpoints
🔍 How to Verify
Check if Vulnerable:
Check Asseco InfoMedica version in system administration panel. If version is below 4.50.1 or 5.38.0, system is vulnerable.
Check Version:
Check system administration panel or consult vendor documentation for version check command specific to your deployment.
Verify Fix Applied:
After patching, verify version shows 4.50.1 or 5.38.0+ and test that low-privilege users cannot access password data.
📡 Detection & Monitoring
Log Indicators:
- Unusual access to password-related database tables or APIs
- Multiple failed login attempts followed by successful access from new IP
- User accounts accessing administrative functions without proper privileges
Network Indicators:
- Unusual database queries from non-admin accounts
- Traffic to password storage endpoints from unauthorized users
SIEM Query:
source="infomedica" AND (event_type="password_access" OR event_type="privilege_escalation") AND user_privilege="low"