{"id":"CVE-2020-8158","aliases":["GHSA-pf2j-9qmp-jqr2"],"url":"https://o3.security/vulnerability/CVE-2020-8158","summary":"TypeORM vulnerable to MAID and Prototype Pollution","details":"Prototype pollution vulnerability in the TypeORM package < 0.2.25 may allow attackers to add or modify Object properties leading to further denial of service or SQL injection attacks.","published":"2020-09-18T21:15:12.747Z","modified":"2026-10-24T10:30:33.457280361Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"npm","name":"typeorm","fixedVersion":"0.2.25"}],"fix":null,"references":[{"type":"FIX","url":"https://hackerone.com/reports/869574"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8158"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T10:30:33.457280361Z"}}