Prototype Pollution leading to Command Injection in systeminformation
Priority MEDIUM 46CWE-471Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-78.
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().
Why it matters now
EPSS 0.02229 82nd percentileScored 2026-11-07
Fix Fixed systeminformation (sebhildebrandt): 4.30.5systeminformation (npm): 4.30.5
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| sebhildebrandt | systeminformation | before 4.30.5 | 4.30.5 | Patch available | CNA |
| — | systeminformation (npm) | before 4.30.5 | 4.30.5 | Patch available | GHSA-4v2w-h9jm-mqjg |
- systeminformation Vendorsebhildebrandt Affected before 4.30.5 Fixed in 4.30.5 Patch available CNA
- systeminformation (npm) Vendor— Affected before 4.30.5 Fixed in 4.30.5 Patch available GHSA-4v2w-h9jm-mqjg
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:systeminformation:systeminformation:*:*:*:*:*:node.js:*:* | before 4.30.5 | Vulnerable | sebhildebrandt |
- cpe:2.3:a:systeminformation:systeminformation:*:*:*:*:*:node.js:*:* Versions before 4.30.5 Vulnerable ·sebhildebrandt
Remediation
- Fix · CNA systeminformation (sebhildebrandt) Fixed in 4.30.5
- Fix · GHSA-4v2w-h9jm-mqjg systeminformation (npm) Fixed in 4.30.5 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-26245
- 2026-10-03 Alias added: GHSA-4v2w-h9jm-mqjg
References
More sebhildebrandt Systeminformation vulnerabilities
- TI-2021-04415 Command injection in sebhildebrandt systeminformation KEVCVSS 3.1HIGH 7.8
- TI-2026-37031 systeminformation: OS command injection in networkInterfaces() via interfaces(5) source-directive path on Linux CVSS 4.0HIGH 8.7
- TI-2023-22901 systeminformation SSID Command Injection Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2025-41734 Command Injection in fsSize() on Windows CVSS 3.1HIGH 8.1
- TI-2020-06270 Command injection in systeminformation CVSS 3.1HIGH 8.8
- TI-2021-04487 Command Injection Vulnerability in systeminformation CVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-26245 · CVE Program
- CVE-2020-26245 · NVD
- FIRST EPSS
- GHSA-4v2w-h9jm-mqjg · GitHub Advisory Database · CC BY 4.0
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