{"id":"GHSA-4v2w-h9jm-mqjg","summary":"Prototype Pollution in systeminformation","details":"### Impact\ncommand injection vulnerability by prototype pollution\n\n### Patches\nProblem was fixed with a rewrite of shell sanitations to avoid prototyper pollution problems. Please upgrade to version \u003e= 4.30.2\n\n### Workarounds\nIf you cannot upgrade, be sure to check or sanitize service parameter strings that are passed to si.inetChecksite()\n\n### For more information\nIf you have any questions or comments about this advisory:\n\n* Open an issue in [systeminformation](https://github.com/sebhildebrandt/systeminformation/issues/new?template=bug_report.md)","aliases":["CVE-2020-26245"],"modified":"2026-09-10T03:48:35.478301660Z","published":"2020-11-27T16:07:15Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2020-11-27T15:56:36Z","nvd_published_at":null,"cwe_ids":["CWE-471","CWE-78"],"severity":"MODERATE"},"references":[{"type":"WEB","url":"https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-4v2w-h9jm-mqjg"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-26245"},{"type":"WEB","url":"https://github.com/sebhildebrandt/systeminformation/commit/8113ff0e87b2f422a5756c48f1057575e73af016"}],"affected":[{"package":{"name":"systeminformation","ecosystem":"npm","purl":"pkg:npm/systeminformation"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.30.5"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2020/11/GHSA-4v2w-h9jm-mqjg/GHSA-4v2w-h9jm-mqjg.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:L"}]}