CVE-2025-13736 WSO2 CVE debrief

Who should care

Security teams and administrators responsible for systems using Multi-Attribute Login should assess and mitigate this vulnerability. They should review configurations, monitor for potential brute force attacks, and implement additional authentication security measures. This vulnerability may impact operators, platforms, and security teams, particularly those with affected systems or components.

Technical summary

CVE-2025-13736 is a vulnerability in Multi-Attribute Login that fails to consistently mask user account existence. When enabled, valid users' canonical usernames are displayed, while non-existent users' input is echoed. This may facilitate brute force attacks and social engineering. The vulnerability has a CVSS score of 3.7 and is considered Low-priority. Security teams should assess and mitigate this vulnerability, focusing on affected systems and configurations.

Defensive priority

Low-priority defensive review recommended due to limited information available.

Recommended defensive actions

• Verify affected systems and configurations
• Monitor for potential brute force attacks
• Implement additional authentication security measures
• Review compensating controls for exposed systems
• Check relevant monitoring, detection, and logs for exposed assets
• Track exceptions and retest remediated assets
• Plan vendor-supported updates or mitigations through normal change control

Evidence notes

The evidence for CVE-2025-13736 is limited. Official CVE and NVD records indicate a vulnerability exists in Multi-Attribute Login, but details are sparse. Defenders should verify affected systems, review configurations, and monitor for potential brute force attacks. Further verification is needed to understand the full scope of the vulnerability, including known and unknown affected systems, and to assess the potential impact on their specific environments.

Official resources