Back to Database
Status published
High
CVE-2020-26245
Prototype Pollution leading to Command Injection in systeminformation
Vulnerability 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().
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2020-26245
Credits & Attribution
No credits recorded in the NVD database.
References
More from sebhildebrandt
View All →CVE-2025-68154
Command Injection in fsSize() on Windows
High
8.1
CVE-2024-56334
Command injection vulnerability in getWindowsIEEE8021x (SSID) function in systeminformation
High
7.8
CVE-2023-42810
systeminformation SSID Command Injection Vulnerability
Critical
9.8
CVE-2021-21388
Command Injection Vulnerability in systeminformation
High
8.9
CVE-2021-21315
Command Injection Vulnerability
High
7.1
Affected Vendor
sebhildebrandt
View all reports →Affected Software
systeminformation
Vulnerable Versions:
< 4.30.5
Timeline
Official Publish:
November 27th, 2020
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:L