{"id":"GHSA-v5vg-g7rq-363w","summary":"Prototype Pollution in json-pointer","details":"This affects versions of package `json-pointer` up to and including `0.6.1`. A type confusion vulnerability can lead to a bypass of CVE-2020-7709 when the pointer components are arrays.","aliases":["CVE-2021-23820"],"modified":"2026-09-10T03:49:16.207096403Z","published":"2021-11-08T17:40:49Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2021-11-04T16:55:47Z","nvd_published_at":"2021-11-03T18:15:00Z","cwe_ids":["CWE-1321","CWE-843"],"severity":"MODERATE"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23820"},{"type":"WEB","url":"https://github.com/manuelstofer/json-pointer/pull/36"},{"type":"WEB","url":"https://github.com/manuelstofer/json-pointer/commit/931b0f9c7178ca09778087b4b0ac7e4f505620c2"},{"type":"PACKAGE","url":"https://github.com/manuelstofer/json-pointer"},{"type":"WEB","url":"https://github.com/manuelstofer/json-pointer/blob/master/index.js%23L78"},{"type":"WEB","url":"https://snyk.io/vuln/SNYK-JS-JSONPOINTER-1577287"}],"affected":[{"package":{"name":"json-pointer","ecosystem":"npm","purl":"pkg:npm/json-pointer"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.6.2"}]}],"database_specific":{"last_known_affected_version_range":"\u003c= 0.6.1","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/11/GHSA-v5vg-g7rq-363w/GHSA-v5vg-g7rq-363w.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L"}]}