{"cve":{"cve_id":"CVE-2025-1396","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00234,"epss_percentile":0.14006,"epss_as_of":"2026-06-23","description":"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.\n\n\nExploitation 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.","published_at":"2025-09-26T07:52:52.297000Z","last_modified_at":null,"cvss_v3_score":3.7,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","cvss_v3_severity":"LOW","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-203"],"nvd_references":["https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2025/WSO2-2025-3983/"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:25:23.600378Z"},"effective_severity":"LOW","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"H","value_label":"High"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"L","value_label":"Low"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"N","value_label":"None"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"wso2","vendor_name":"WSO2","product_slug":"wso2-identity-server","product_name":"WSO2 Identity Server","version_start":"6.0.0","version_start_inclusive":true,"version_end":"6.0.0.231","version_end_inclusive":false,"cpe23_uri":"cve5:wso2:wso2-identity-server:6.0.0:6.0.0.231"},{"vendor_slug":"wso2","vendor_name":"WSO2","product_slug":"wso2-identity-server","product_name":"WSO2 Identity Server","version_start":"5.10.0","version_start_inclusive":true,"version_end":"5.10.0.346","version_end_inclusive":false,"cpe23_uri":"cve5:wso2:wso2-identity-server:5.10.0:5.10.0.346"},{"vendor_slug":"wso2","vendor_name":"WSO2","product_slug":"wso2-identity-server","product_name":"WSO2 Identity Server","version_start":"5.11.0","version_start_inclusive":true,"version_end":"5.11.0.395","version_end_inclusive":false,"cpe23_uri":"cve5:wso2:wso2-identity-server:5.11.0:5.11.0.395"},{"vendor_slug":"wso2","vendor_name":"WSO2","product_slug":"wso2-identity-server","product_name":"WSO2 Identity Server","version_start":"0","version_start_inclusive":true,"version_end":"5.10.0","version_end_inclusive":false,"cpe23_uri":"cve5:wso2:wso2-identity-server:0:5.10.0"},{"vendor_slug":"wso2","vendor_name":"WSO2","product_slug":"wso2-identity-server","product_name":"WSO2 Identity Server","version_start":"6.1.0","version_start_inclusive":true,"version_end":"6.1.0.223","version_end_inclusive":false,"cpe23_uri":"cve5:wso2:wso2-identity-server:6.1.0:6.1.0.223"},{"vendor_slug":"wso2","vendor_name":"WSO2","product_slug":"wso2-identity-server-as-key-manager","product_name":"WSO2 Identity Server as Key Manager","version_start":"5.10.0","version_start_inclusive":true,"version_end":"5.10.0.339","version_end_inclusive":false,"cpe23_uri":"cve5:wso2:wso2-identity-server-as-key-manager:5.10.0:5.10.0.339"},{"vendor_slug":"wso2","vendor_name":"WSO2","product_slug":"wso2-open-banking-iam","product_name":"WSO2 Open Banking IAM","version_start":"2.0.0","version_start_inclusive":true,"version_end":"2.0.0.390","version_end_inclusive":false,"cpe23_uri":"cve5:wso2:wso2-open-banking-iam:2.0.0:2.0.0.390"}],"exploit_refs":[],"news":[],"references":[{"url":"https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2025/WSO2-2025-3983/","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2025-09-26T07:52:52.297000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:41:50.490270Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:41:50.490270Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:41:50.490270Z","label":"CVSS score revised","source":"cvelistv5"}]}