{"id":"CVE-2020-7743","aliases":["GHSA-x2fc-mxcx-w4mf"],"url":"https://o3.security/vulnerability/CVE-2020-7743","summary":"Prototype Pollution in mathjs","details":"The package mathjs before 7.5.1 are vulnerable to Prototype Pollution via the deepExtend function that runs upon configuration updates.","published":"2020-10-13T10:15:13.440Z","modified":"2026-07-08T20:29:36.636452Z","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":4,"affectedPackages":[{"ecosystem":"npm","name":"mathjs","fixedVersion":"7.5.1"}],"fix":{"url":"https://github.com/josdejong/mathjs/commit/ecb80514e80bce4e6ec7e71db8ff79954f07c57e","label":"josdejong/mathjs@ecb8051"},"references":[{"type":"ADVISORY","url":"https://github.com/josdejong/mathjs/blob/develop/src/utils/object.js%23L82"},{"type":"FIX","url":"https://github.com/josdejong/mathjs/commit/ecb80514e80bce4e6ec7e71db8ff79954f07c57e"},{"type":"EVIDENCE","url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1017113"},{"type":"EVIDENCE","url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1017112"},{"type":"EVIDENCE","url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1017111"},{"type":"EVIDENCE","url":"https://snyk.io/vuln/SNYK-JS-MATHJS-1016401"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7743"},{"type":"WEB","url":"https://github.com/josdejong/mathjs/blob/develop/HISTORY.md#2020-10-10-version-751"},{"type":"WEB","url":"https://www.npmjs.com/package/mathjs"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T20:29:36.636452Z"}}