{"id":"CVE-2020-7766","aliases":[],"url":"https://o3.security/vulnerability/CVE-2020-7766","summary":"Arbitrary Code Execution in json-ptr","details":"npm `json-ptr` before 2.1.0 has an arbitrary code execution vulnerability. The issue occurs in the [set operation](https://flitbit.github.io/json-ptr/classes/_src_pointer_.jsonpointer.htmlset) when the force flag is set to true. The function recursively set the property in the target object, however it does not properly check the key being set, leading to a prototype pollution.","published":"2021-05-10T19:15:43Z","modified":"2025-01-14T08:57:19.814698Z","cvss":{"score":7.3,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"json-ptr","fixedVersion":"2.1.0"}],"fix":{"url":"https://github.com/418sec/json-ptr/pull/3","label":"418sec/json-ptr#3"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7766"},{"type":"WEB","url":"https://github.com/418sec/json-ptr/pull/3"},{"type":"WEB","url":"https://github.com/flitbit/json-ptr/commit/2539e3494c80af1eef24f0f433654a61f255f011"},{"type":"WEB","url":"https://github.com/flitbit/json-ptr/blob/master/src/util.ts%23L174"},{"type":"WEB","url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1038396"},{"type":"WEB","url":"https://snyk.io/vuln/SNYK-JS-JSONPTR-1016939"},{"type":"WEB","url":"https://www.huntr.dev/bounties/2-npm-json-ptr"},{"type":"WEB","url":"https://www.npmjs.com/package/json-ptr"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2025-01-14T08:57:19.814698Z"}}