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The CVE-2025-62189 vulnerability in LogStare Collector arises from flawed authorization logic within the UserRegistration module. During account creation, the system inadequately validates user privileges, allowing non-administrative users to bypass restrictions. Typically, administrative rights are required for user registration, but a missing server-side check permits lower-privileged users to proceed. Exploitation involves sending a crafted HTTP POST request to the registration endpoint, often /api/user/register. The request manipulates parameters, such as role fields, to impersonate an administrator. The application fails to verify the user’s session token against required permissions, relying only on authentication status. This flaw exists in the authorization function, which may not cross-reference user roles with action privileges. Attackers can inject “role=admin” into the payload, leveraging weak input sanitization. The server processes this request without logging, creating a new account silently. Network accessibility (AV:N) and low attack complexity (AC:L) facilitate remote exploitation. No user interaction (UI:N) is needed, making it stealthy. The impact is integrity loss (VI:L) through unauthorized account creation. While confidentiality and availability remain unaffected, privilege escalation risks emerge. Attackers may establish persistent backdoor accounts for further attacks. In multi-tenant deployments, this breach can compromise user isolation. The vulnerability underscores critical lapses in role-based access control implementations.
Platform: LogStare Collector
Version: Not specified
Vulnerability: Incorrect authorization
Severity: MEDIUM
date: 11/21/2025
Prediction: Patch expected 12/18/2025
What Undercode Say:
Analytics:
Check service status
systemctl status logstare-collector
Test vulnerability with curl
curl -X POST http://target/api/user/register -H “Content-Type: application/json” -d ‘{“username”:”test”,”password”:”test”,”role”:”admin”}’
Monitor network traffic
tcpdump -i eth0 port 8080 -v
List running processes
ps aux | grep logstare
Examine application logs
tail -f /var/log/logstare/access.log
How Exploit:
Authenticated non-admin users craft HTTP POST requests to registration endpoints, injecting admin role parameters to bypass checks and create privileged accounts.
Protection from this CVE:
Apply vendor patches, enforce role-based access controls, validate user inputs, and monitor registration endpoints for anomalous activity.
Impact:
Unauthorized account creation, privilege escalation, and potential system compromise.
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Sources:
Reported By: nvd.nist.gov
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