Prototype pollution in systeminformation
Priority LOW 37CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-78.
Summary
This affects the package systeminformation before 4.30.2. The attacker can overwrite the properties and functions of an object, which can lead to executing OS commands.
Why it matters now
EPSS 0.02422 84th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed systeminformation: 4.30.2systeminformation (npm): 4.30.2
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 |
|---|---|---|---|---|---|
| — | systeminformation | before 4.30.2 | 4.30.2 | Patch available | CNA |
| — | systeminformation (npm) | before 4.30.2 | 4.30.2 | Patch available | GHSA-8j36-q8x7-pm6q |
- systeminformation Vendor— Affected before 4.30.2 Fixed in 4.30.2 Patch available CNA
- systeminformation (npm) Vendor— Affected before 4.30.2 Fixed in 4.30.2 Patch available GHSA-8j36-q8x7-pm6q
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:systeminformation:systeminformation:*:*:*:*:*:node.js:*:* | before 4.30.2 | Vulnerable | sebhildebrandt |
- cpe:2.3:a:systeminformation:systeminformation:*:*:*:*:*:node.js:*:* Versions before 4.30.2 Vulnerable ·sebhildebrandt
Remediation
- Fix · CNA systeminformation Fixed in 4.30.2
- Fix · GHSA-8j36-q8x7-pm6q systeminformation (npm) Fixed in 4.30.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-7778
- 2026-10-03 Alias added: GHSA-8j36-q8x7-pm6q
References
Exploit 2
Patch 2
- https://github.com/sebhildebrandt/systeminformation/commit/73dce8d717ca9c3b7b0d0688254b8213b957f0fa%23diff-970ae648187190f86bafc8f193b7538200eba164fad0674428b6487582c089cc
- https://github.com/sebhildebrandt/systeminformation/commit/11103a447ab9550c25f1fbec7e6d903720b3fea8%23diff-970ae648187190f86bafc8f193b7538200eba164fad0674428b6487582c089cc
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-2020-7778 · CVE Program
- CVE-2020-7778 · NVD
- FIRST EPSS
- GHSA-8j36-q8x7-pm6q · GitHub Advisory Database · CC BY 4.0
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