{"cve":"CVE-2021-21388","nvd":{"published":"2021-04-29T18:15:09.540","modified":"2026-06-17T03:35:28.110","status":"Modified","description":"systeminformation is an open source system and OS information library for node.js. A command injection vulnerability has been discovered in versions of systeminformation prior to 5.6.4. The issue has been fixed with a parameter check on user input. Please upgrade to version >= 5.6.4. If you cannot upgrade, be sure to check or sanitize service parameters that are passed to si.inetLatency(), si.inetChecksite(), si.services(), si.processLoad() and other commands. Only allow strings, reject any arrays. String sanitation works as expected.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-78","CWE-20"],"references":["https://github.com/sebhildebrandt/systeminformation/commit/01ef56cd5824ed6da1c11b37013a027fdef67524","https://github.com/sebhildebrandt/systeminformation/commit/0be6fcd575c05687d1076d5cd6d75af2ebae5a46","https://github.com/sebhildebrandt/systeminformation/commit/7922366d707de7f20995fc8e30ac3153636bf35f","https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-jff2-qjw8-5476","https://www.npmjs.com/package/systeminformation"],"products":["systeminformation:systeminformation"],"source":"nvd","synced_at":"2026-10-19T21:18:09.669877188+00:00"},"epss":{"cve":"CVE-2021-21388","score":0.01854,"percentile":0.79156,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-jff2-qjw8-5476","url":"https://osv.dev/vulnerability/GHSA-jff2-qjw8-5476","summary":"Command Injection Vulnerability in systeminformation","modified":"2026-07-08T06:28:36.042964246Z","packages":[{"ecosystem":"npm","name":"systeminformation","purl":"pkg:npm/systeminformation","ranges":["<5.6.4"],"fixed":["5.6.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}