CVE-2021-21388

CRITICAL EPSS 76.5%
Published Apr 29, 20215y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Apr 29, 2021 5y ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
76.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 2

CWE-20 Improper Input Validation Validation
CWE-78 OS Command Injection Injection

Affected Products 1

VendorProductVersionRange
systeminformationsysteminformation* <5.6.4

References 5

  • github.com https://github.com/sebhildebrandt/systeminformation/commit/01ef56cd5824ed6da1c11b37013a027fdef67524
    PatchThird Party Advisory
  • github.com https://github.com/sebhildebrandt/systeminformation/commit/0be6fcd575c05687d1076d5cd6d75af2ebae5a46
    PatchThird Party Advisory
  • github.com https://github.com/sebhildebrandt/systeminformation/commit/7922366d707de7f20995fc8e30ac3153636bf35f
    PatchThird Party Advisory
  • github.com https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-jff2-qjw8-5476
    Third Party Advisory
  • npmjs.com https://www.npmjs.com/package/systeminformation
    ProductThird Party Advisory

Remediation

  • github.com https://github.com/sebhildebrandt/systeminformation/commit/01ef56cd5824ed6da1c11b37013a027fdef67524
    PatchThird Party Advisory
  • github.com https://github.com/sebhildebrandt/systeminformation/commit/0be6fcd575c05687d1076d5cd6d75af2ebae5a46
    PatchThird Party Advisory
  • github.com https://github.com/sebhildebrandt/systeminformation/commit/7922366d707de7f20995fc8e30ac3153636bf35f
    PatchThird Party Advisory