{"schema_version":"1.7.3","id":"GHSA-896r-f27r-55mw","published":"2021-11-19T20:16:17Z","modified":"2025-01-17T21:31:38Z","aliases":["CVE-2021-3918"],"summary":"json-schema is vulnerable to Prototype Pollution","details":"json-schema before version 0.4.0 is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution').","affected":[{"package":{"name":"json-schema","ecosystem":"npm","purl":"pkg:npm/json-schema"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.4.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/11/GHSA-896r-f27r-55mw/GHSA-896r-f27r-55mw.json"}}],"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3918"},{"type":"WEB","url":"https://github.com/kriszyp/json-schema/commit/22f146111f541d9737e832823699ad3528ca7741"},{"type":"WEB","url":"https://github.com/kriszyp/json-schema/commit/b62f1da1ff5442f23443d6be6a92d00e65cba93a"},{"type":"WEB","url":"https://github.com/kriszyp/json-schema/commit/f6f6a3b02d667aa4ba2d5d50cc19208c4462abfa"},{"type":"PACKAGE","url":"https://github.com/kriszyp/json-schema"},{"type":"WEB","url":"https://huntr.dev/bounties/bb6ccd63-f505-4e3a-b55f-cd2662c261a9"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00013.html"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20250117-0004"}],"database_specific":{"cwe_ids":["CWE-1321","CWE-915"],"github_reviewed":true,"github_reviewed_at":"2021-11-15T22:44:27Z","nvd_published_at":"2021-11-13T09:15:00Z","severity":"CRITICAL"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}