{"cve":"CVE-2023-6837","nvd":{"published":"2023-12-15T10:15:09.767","modified":"2026-06-17T06:51:30.790","status":"Modified","description":"Multiple WSO2 products have been identified as vulnerable to perform user impersonatoin using JIT provisioning. In order for this vulnerability to have any impact on your deployment, following conditions must be met:\n\n  *  An IDP configured for federated authentication and JIT provisioning enabled with the \"Prompt for username, password and consent\" option.\n  *  A service provider that uses the above IDP for federated authentication and has the \"Assert identity using mapped local subject identifier\" flag enabled.\n\n\nAttacker should have:\n\n  *  A fresh valid user account in the federated IDP that has not been used earlier.\n  *  Knowledge of the username of a valid user in the local IDP.\n\n\nWhen all preconditions are met, a malicious actor could use JIT provisioning flow to perform user impersonation.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N","score":8.2},"cwes":["CWE-863"],"references":["https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2022/WSO2-2021-1573/","https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2022/WSO2-2021-1573/"],"products":["wso2:api_manager","wso2:carbon_identity_application_authentication_endpoint","wso2:carbon_identity_application_authentication_framework","wso2:identity_server","wso2:identity_server_as_key_manager"],"source":"nvd","synced_at":"2026-10-19T21:42:34.585441961+00:00"},"epss":{"cve":"CVE-2023-6837","score":0.0046,"percentile":0.39862,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-f6jm-9pr8-9c3w","url":"https://osv.dev/vulnerability/GHSA-f6jm-9pr8-9c3w","summary":"Multiple WSO2 products vulnerable to perform user impersonatoin using JIT provisioning","modified":"2024-12-02T05:46:37.704358Z","packages":[{"ecosystem":"Maven","name":"org.wso2.carbon.identity.framework:org.wso2.carbon.identity.application.authentication.framework","purl":"pkg:maven/org.wso2.carbon.identity.framework/org.wso2.carbon.identity.application.authentication.framework","ranges":["<5.20.254"],"fixed":["5.20.254"]},{"ecosystem":"Maven","name":"org.wso2.identity.apps:authentication-portal","purl":"pkg:maven/org.wso2.identity.apps/authentication-portal","ranges":["<1.6.179.1"],"fixed":["1.6.179.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}