{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-1396", "assignerOrgId": "ed10eef1-636d-4fbe-9993-6890dfa878f8", "state": "PUBLISHED", "assignerShortName": "WSO2", "dateReserved": "2025-02-17T14:17:42.038Z", "datePublished": "2025-09-26T07:52:52.297Z", "dateUpdated": "2025-09-26T08:19:45.872Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "WSO2 Identity Server", "vendor": "WSO2", "versions": [{"lessThan": "5.10.0", "status": "unknown", "version": "0", "versionType": "custom"}, {"lessThan": "5.10.0.346", "status": "affected", "version": "5.10.0", "versionType": "custom"}, {"lessThan": "5.11.0.395", "status": "affected", "version": "5.11.0", "versionType": "custom"}, {"lessThan": "6.0.0.231", "status": "affected", "version": "6.0.0", "versionType": "custom"}, {"lessThan": "6.1.0.223", "status": "affected", "version": "6.1.0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "WSO2 Open Banking IAM", "vendor": "WSO2", "versions": [{"lessThan": "2.0.0.390", "status": "affected", "version": "2.0.0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "WSO2 Identity Server as Key Manager", "vendor": "WSO2", "versions": [{"lessThan": "5.10.0.339", "status": "affected", "version": "5.10.0", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>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.<br></p><b></b><p>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.<br></p><b></b>"}], "value": "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."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-203", "description": "CWE-203 Observable Discrepancy", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "ed10eef1-636d-4fbe-9993-6890dfa878f8", "shortName": "WSO2", "dateUpdated": "2025-09-26T08:19:45.872Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2025/WSO2-2025-3983/"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<span style=\"background-color: transparent;\">Follow the instructions given on </span><a target=\"_blank\" rel=\"nofollow\" href=\"https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2025/WSO2-2025-3983/#solution\"><span style=\"background-color: transparent;\">https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2025/WSO2-2025-3983/#solution</span></a> <br>"}], "value": "Follow the instructions given on https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2025/WSO2-2025-3983/#solution https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2025/WSO2-2025-3983/#solution"}], "source": {"advisory": "WSO2-2025-3983", "discovery": "INTERNAL"}, "title": "Username Enumeration in Multiple WSO2 Products with Multi-Attribute Login Enabled", "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2025-1396", "lastModified": "2025-09-26T14:32:19.853", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "ed10eef1-636d-4fbe-9993-6890dfa878f8", "type": "Secondary"}]}, "published": "2025-09-26T08:15:38.040", "references": [{"source": "ed10eef1-636d-4fbe-9993-6890dfa878f8", "url": "https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2025/WSO2-2025-3983/"}], "sourceIdentifier": "ed10eef1-636d-4fbe-9993-6890dfa878f8", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-203"}], "source": "ed10eef1-636d-4fbe-9993-6890dfa878f8", "type": "Secondary"}]}

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