Summary
IceCMS through version 4.1.5 exposes user-management endpoints without effective authentication because the /User/** path is excluded from the Shiro JWT filter. An unauthenticated attacker may modify, delete, or disable accounts and set passwords or roles, potentially taking over administrator accounts.
IceCMS through version 4.1.5 exposes user-management endpoints without effective authentication because the /User/** path is excluded from the Shiro JWT filter. An unauthenticated attacker may modify, delete, or disable accounts and set passwords or roles, potentially taking over administrator accounts.
Affected context
The issue occurs in IceCMS deployments where user-management routes under /User/** bypass the intended Shiro JWT authentication filter. If these endpoints are reachable over the application interface without another authentication or authorization layer, requests targeting arbitrary user identifiers may be processed without verifying the caller's identity or privileges.
The issue occurs in IceCMS deployments where user-management routes under /User/** bypass the intended Shiro JWT authentication filter. If these endpoints are reachable over the application interface without another authentication or authorization layer, requests targeting arbitrary user identifiers may be processed without verifying the caller's identity or privileges.
Exploit preconditions
- Attack surface: IceCMS user-management HTTP endpoints
- Required access: Network reachability to the affected application; no valid account credentials may be required
- Trigger point: Requests to user modification, deletion, or account-disabling operations such as
/User/updateUser - Why exploitation is possible: The
/User/**route pattern is excluded from JWT filtering, allowing account-management actions to proceed without authentication and effective authorization checks
- Attack surface: IceCMS user-management HTTP endpoints
- Required access: Network reachability to the affected application; no valid account credentials may be required
- Trigger point: Requests to user modification, deletion, or account-disabling operations such as
/User/updateUser - Why exploitation is possible: The
/User/**route pattern is excluded from JWT filtering, allowing account-management actions to proceed without authentication and effective authorization checks
Why this happens
The vulnerability results from an incomplete authentication boundary in the request-filter configuration. By excluding the /User/** path from the Shiro JWT filter, the application fails to establish the caller's identity before executing sensitive account-management operations. This behavior maps to CWE-306: Missing Authentication for Critical Function, because security-critical functionality can be reached without authentication.
The vulnerability results from an incomplete authentication boundary in the request-filter configuration. By excluding the /User/** path from the Shiro JWT filter, the application fails to establish the caller's identity before executing sensitive account-management operations. This behavior maps to CWE-306: Missing Authentication for Critical Function, because security-critical functionality can be reached without authentication.
Potential impact
- Unauthenticated attackers may modify user accounts
- Attackers could reset passwords and take over accounts
- Administrator accounts may be compromised
- Attackers may assign elevated roles and gain privileged access
- Accounts could be deleted or disabled, causing denial of service
- Compromised administrative access may enable broader application or data compromise
- Unauthenticated attackers may modify user accounts
- Attackers could reset passwords and take over accounts
- Administrator accounts may be compromised
- Attackers may assign elevated roles and gain privileged access
- Accounts could be deleted or disabled, causing denial of service
- Compromised administrative access may enable broader application or data compromise
General mitigation guidance
Mitigation typically focuses on enforcing authentication and authorization consistently at the server-side route boundary.
Common defensive patterns include:
- Require authentication for every user-management endpoint by default
- Apply explicit, centralized authorization checks based on the authenticated user's privileges
- Avoid broad route exclusions for sensitive API namespaces
- Require step-up authorization for password, role, deletion, and account-status changes
- Validate target-user permissions and prevent unauthorized cross-account modifications
- Use secure session or token handling and minimize administrative privileges
- Add regression tests confirming unauthenticated and unauthorized requests are rejected
These controls reduce the risk of account takeover even if individual endpoints or route configurations change.
Mitigation typically focuses on enforcing authentication and authorization consistently at the server-side route boundary.
Common defensive patterns include:
- Require authentication for every user-management endpoint by default
- Apply explicit, centralized authorization checks based on the authenticated user's privileges
- Avoid broad route exclusions for sensitive API namespaces
- Require step-up authorization for password, role, deletion, and account-status changes
- Validate target-user permissions and prevent unauthorized cross-account modifications
- Use secure session or token handling and minimize administrative privileges
- Add regression tests confirming unauthenticated and unauthorized requests are rejected
These controls reduce the risk of account takeover even if individual endpoints or route configurations change.
How teams detect issues like this
Organizations can detect missing authentication risks through:
- Static analysis and configuration checks for excluded or publicly accessible sensitive route patterns
- Code review of security-filter chains, middleware ordering, and endpoint annotations
- API inventories that identify user-management operations lacking authentication requirements
- Dynamic tests that send unauthenticated and low-privilege requests to administrative endpoints
- Policy enforcement requiring authentication and authorization metadata for account-management routes
Automated security review tools may help identify route-filter exclusions, but findings should be verified against deployment-level controls.
Organizations can detect missing authentication risks through:
- Static analysis and configuration checks for excluded or publicly accessible sensitive route patterns
- Code review of security-filter chains, middleware ordering, and endpoint annotations
- API inventories that identify user-management operations lacking authentication requirements
- Dynamic tests that send unauthenticated and low-privilege requests to administrative endpoints
- Policy enforcement requiring authentication and authorization metadata for account-management routes
Automated security review tools may help identify route-filter exclusions, but findings should be verified against deployment-level controls.
