{"id":"GHSA-8w3j-g983-8jh5","summary":"Sensitive Data Exposure in parse-server","details":"Versions of parse-server prior to 3.6.0 could allow an account enumeration attack via account linking.\n`ParseError.ACCOUNT_ALREADY_LINKED(208)` was thrown BEFORE the AuthController checks the password and throws a `ParseError.SESSION_MISSING(206)` for Insufficient auth.  An attacker can guess ids and get information about linked accounts/email addresses.\n\n### For more information\nIf you have any questions or comments about this advisory,\nOpen an issue in the [parse-server](https://github.com/parse-community/parse-server)\n[Parse Community Vulnerability Disclosure Program](https://github.com/parse-community/parse-server/blob/master/SECURITY.md)","aliases":["CVE-2019-1020013"],"modified":"2026-05-07T05:02:18.530607287Z","published":"2019-07-11T14:23:09Z","database_specific":{"github_reviewed_at":"2020-06-16T21:26:49Z","nvd_published_at":null,"cwe_ids":["CWE-209"],"severity":"MODERATE","github_reviewed":true},"references":[{"type":"WEB","url":"https://github.com/parse-community/parse-server/security/advisories/GHSA-8w3j-g983-8jh5"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-1020013"},{"type":"WEB","url":"https://github.com/parse-community/parse-server/commit/73b0f9a339b81f5d757725dc557955a7b670a3ec"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-8w3j-g983-8jh5"},{"type":"WEB","url":"https://snyk.io/vuln/SNYK-JS-PARSESERVER-455637"},{"type":"WEB","url":"https://www.npmjs.com/advisories/1114"},{"type":"WEB","url":"https://www.owasp.org/index.php/Testing_for_User_Enumeration_and_Guessable_User_Account_(OWASP-AT-002)#Description_of_the_Issue"}],"affected":[{"package":{"name":"parse-server","ecosystem":"npm","purl":"pkg:npm/parse-server"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.6.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2019/07/GHSA-8w3j-g983-8jh5/GHSA-8w3j-g983-8jh5.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}]}