CVE-2025-14083
📋 TL;DR
This vulnerability in Keycloak's Admin REST API exposes backend schema and rules due to improper access control. It could allow attackers to gather information for targeted attacks or privilege escalation. Organizations using Keycloak for identity and access management are affected.
💻 Affected Systems
- Keycloak
⚠️ 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 could map internal schema and rules to plan targeted attacks, potentially leading to privilege escalation and unauthorized access to sensitive systems.
Likely Case
Information disclosure that reveals backend structure, enabling reconnaissance for future attacks against the Keycloak deployment.
If Mitigated
Limited impact with proper network segmentation and access controls, though some information exposure may still occur.
🎯 Exploit Status
Requires some level of access to Keycloak admin interface; exploitation details not yet public.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Red Hat advisory for specific fixed versions
Vendor Advisory: https://access.redhat.com/security/cve/CVE-2025-14083
Restart Required: Yes
Instructions:
1. Check Red Hat advisory for fixed Keycloak versions. 2. Update Keycloak to patched version. 3. Restart Keycloak service. 4. Verify fix by testing affected endpoints.
🔧 Temporary Workarounds
Restrict Admin API Access
linuxLimit network access to Keycloak Admin REST API endpoints using firewall rules or network segmentation.
# Example: iptables rule to restrict admin API access
iptables -A INPUT -p tcp --dport 8080 -s trusted_networks -j ACCEPT
iptables -A INPUT -p tcp --dport 8080 -j DROP
Implement API Gateway Controls
allUse API gateway or reverse proxy to add additional authentication/authorization layers for admin endpoints.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate Keycloak admin interface from untrusted networks.
- Enforce strong authentication and authorization controls for all admin API access.
🔍 How to Verify
Check if Vulnerable:
Test if unauthorized users can access schema/rules endpoints in Keycloak Admin REST API.Check Version:
keycloak/bin/kc.sh --version or check Keycloak admin console version infoVerify Fix Applied:
After patching, verify that schema/rules endpoints now properly enforce access controls.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to admin API endpoints
- Unusual schema/rules query patterns
Network Indicators:
- Unusual traffic to Keycloak admin API endpoints from unauthorized sources
SIEM Query:
source="keycloak" AND (uri_path="/admin/realms/*/schema" OR uri_path="/admin/realms/*/rules") AND user!="admin_user"