{"id":"CVE-2020-26245","aliases":["DEBIAN-CVE-2020-26245","EUVD-2020-1444","GHSA-4v2w-h9jm-mqjg"],"status":"published","title":"Prototype Pollution leading to Command Injection in systeminformation","description":"npm package systeminformation before version 4.30.5 is vulnerable to Prototype Pollution leading to Command Injection. The issue was fixed with a rewrite of shell sanitations to avoid prototyper pollution problems. The issue is fixed in version 4.30.5. If you cannot upgrade, be sure to check or sanitize service parameter strings that are passed to si.inetChecksite().","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.02229,"percentile":0.82979,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-471","CWE-78"],"published":"2020-11-27T16:07:15Z","modified":"2026-10-20T10:54:18Z","fixes":[{"ecosystem":"npm","package":"systeminformation","fixed_in":["4.30.5"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"systeminformation","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.30.5"}]}]},{"source":"osv","ecosystem":"npm","package":"systeminformation","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.30.5"}]}]}],"products":[{"vendor":"sebhildebrandt","product":"systeminformation"},{"vendor":"systeminformation","product":"systeminformation"}],"references":[{"url":"https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-4v2w-h9jm-mqjg","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/sebhildebrandt/systeminformation/commit/8113ff0e87b2f422a5756c48f1057575e73af016","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-26245","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4v2w-h9jm-mqjg"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-26245","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2020-26245","title":"Prototype Pollution leading to Command Injection in systeminformation","description":"npm package systeminformation before version 4.30.5 is vulnerable to Prototype Pollution leading to Command Injection. The issue was fixed with a rewrite of shell sanitations to avoid prototyper pollution problems. The issue is fixed in version 4.30.5. If you cannot upgrade, be sure to check or sanitize service parameter strings that are passed to si.inetChecksite().","status":"published","published":"2020-11-27T19:50:04Z","modified":"2024-08-04T15:56:03.692Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-78","CWE-471"],"updated_at":"2026-11-02T14:35:46.129376Z"}],"euvd":[{"id":"EUVD-2020-1444","description":"npm package systeminformation before version 4.30.5 is vulnerable to Prototype Pollution leading to Command Injection. The issue was fixed with a rewrite of shell sanitations to avoid prototyper pollution problems. The issue is fixed in version 4.30.5. If you cannot upgrade, be sure to check or sanitize service parameter strings that are passed to si.inetChecksite().","status":"published","published":"2020-11-27T19:50:04Z","modified":"2024-08-04T15:56:03Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:L","level":"high"}],"updated_at":"2026-11-03T03:07:15.778249Z"}],"ghsa":[{"id":"GHSA-4v2w-h9jm-mqjg","title":"Prototype Pollution in systeminformation","description":"### 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)","status":"published","published":"2020-11-27T16:07:15Z","modified":"2023-01-09T05:04:08Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:L","level":"high"}],"cwes":["CWE-78","CWE-471"],"updated_at":"2026-11-02T14:36:08.863482Z"}],"nvd":[{"id":"CVE-2020-26245","description":"npm package systeminformation before version 4.30.5 is vulnerable to Prototype Pollution leading to Command Injection. The issue was fixed with a rewrite of shell sanitations to avoid prototyper pollution problems. The issue is fixed in version 4.30.5. If you cannot upgrade, be sure to check or sanitize service parameter strings that are passed to si.inetChecksite().","status":"published","published":"2020-11-27T20:15:10.963Z","modified":"2026-06-17T03:07:54.563Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-78","CWE-471"],"updated_at":"2026-11-02T14:06:25.394006Z"}],"osv":[{"id":"CVE-2020-26245","description":"npm package systeminformation before version 4.30.5 is vulnerable to Prototype Pollution leading to Command Injection. The issue was fixed with a rewrite of shell sanitations to avoid prototyper pollution problems. The issue is fixed in version 4.30.5. If you cannot upgrade, be sure to check or sanitize service parameter strings that are passed to si.inetChecksite().","status":"published","published":"2020-11-27T20:15:10.963Z","modified":"2026-10-20T10:54:18.963202867Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:15.879068Z"},{"id":"DEBIAN-CVE-2020-26245","description":"npm package systeminformation before version 4.30.5 is vulnerable to Prototype Pollution leading to Command Injection. The issue was fixed with a rewrite of shell sanitations to avoid prototyper pollution problems. The issue is fixed in version 4.30.5. If you cannot upgrade, be sure to check or sanitize service parameter strings that are passed to si.inetChecksite().","status":"withdrawn","published":"2020-11-27T20:15:10.963Z","modified":"2026-06-01T20:00:39.658259837Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:33.729655Z"},{"id":"GHSA-4v2w-h9jm-mqjg","title":"Prototype Pollution in systeminformation","description":"### 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)","status":"published","published":"2020-11-27T16:07:15Z","modified":"2026-09-10T03:48:35.47830166Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:L","level":"high"}],"cwes":["CWE-471","CWE-78"],"updated_at":"2026-11-02T15:46:37.528068Z"}]}}