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CVE-2025-1396

5.3 medium SSVC exploitation: none Analyzed
NVD · CVE.org

A username enumeration vulnerability exists in multiple WSO2 products when Multi-Attribute Login is enabled. In this configuration, the system returns a distinct "User does not exist" error message to the login form, regardless of the validate_username setting. This behavior allows malicious actors to determine which usernames exist in the system based on observable discrepancies in the application's responses. Exploitation of this vulnerability could aid in brute-force attacks, targeted phishing campaigns, or other social engineering techniques by confirming the validity of user identifiers within the system.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 5.3 · wso2NVD modified 2026-10-18 21:10

Affected (CPE criteria) 6

  • cpe:2.3:a:wso2:identity_server:5.10.0:*:*:*:*:*:*:*
  • cpe:2.3:a:wso2:identity_server:5.11.0:*:*:*:*:*:*:*
  • cpe:2.3:a:wso2:identity_server:6.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:wso2:identity_server:6.1.0:*:*:*:*:*:*:*
  • cpe:2.3:a:wso2:identity_server_as_key_manager:5.10.0:*:*:*:*:*:*:*
  • cpe:2.3:a:wso2:open_banking_iam:2.0.0:*:*:*:*:*:*:*

References 1