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Vulnerability details: VCID-ya36-81up-4yg8
Vulnerability ID VCID-ya36-81up-4yg8
Aliases CVE-2020-26245
GHSA-4v2w-h9jm-mqjg
Summary 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
Exploitability 0.5
Weighted Severity 7.3
Risk 3.6
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-471 Modification of Assumed-Immutable Data (MAID)
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.0113 https://api.first.org/data/v1/epss?cve=CVE-2020-26245
epss 0.0113 https://api.first.org/data/v1/epss?cve=CVE-2020-26245
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-4v2w-h9jm-mqjg
cvssv3.1 8.1 https://github.com/sebhildebrandt/systeminformation/commit/8113ff0e87b2f422a5756c48f1057575e73af016
generic_textual MODERATE https://github.com/sebhildebrandt/systeminformation/commit/8113ff0e87b2f422a5756c48f1057575e73af016
cvssv3.1 8.1 https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-4v2w-h9jm-mqjg
cvssv3.1_qr MODERATE https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-4v2w-h9jm-mqjg
generic_textual MODERATE https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-4v2w-h9jm-mqjg
cvssv3.1 8.1 https://nvd.nist.gov/vuln/detail/CVE-2020-26245
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2020-26245
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2020-26245
https://github.com/sebhildebrandt/systeminformation/commit/8113ff0e87b2f422a5756c48f1057575e73af016
https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-4v2w-h9jm-mqjg
https://nvd.nist.gov/vuln/detail/CVE-2020-26245
GHSA-4v2w-h9jm-mqjg https://github.com/advisories/GHSA-4v2w-h9jm-mqjg
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:L Found at https://github.com/sebhildebrandt/systeminformation/commit/8113ff0e87b2f422a5756c48f1057575e73af016
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:L Found at https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-4v2w-h9jm-mqjg
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2020-26245
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.78734
EPSS Score 0.0113
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T21:11:03.470090+00:00 Debian Importer Import https://security-tracker.debian.org/tracker/data/json 38.6.0