What’s Vulnerable › Vulnerabilities

CVE-2020-26300: Command injection in systeminformation

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-09-09 · updated 2026-06-17
• Weakness: CWE-77

Description

systeminformation is an npm package that provides system and OS information library for node.js. In systeminformation before version 4.26.2 there is a command injection vulnerability. Problem was fixed in version 4.26.2 with a shell string sanitation fix.

Affected products

• sebhildebrandt systeminformation: before 4.26.2 — fixed in 4.26.2

How to fix

Upgrade to a fixed version: sebhildebrandt systeminformation 4.26.2. Check the vendor advisory for mitigations.

References

• https://github.com/advisories/GHSA-fj59-f6c3-3vw4
• https://github.com/sebhildebrandt/systeminformation/commit/bad372e654cdd549e7d786acbba0035ded54c607
• https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-fj59-f6c3-3vw4
• https://www.npmjs.com/package/systeminformation
• https://github.com/advisories/GHSA-fj59-f6c3-3vw4
• https://github.com/sebhildebrandt/systeminformation/commit/bad372e654cdd549e7d786acbba0035ded54c607
• https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-fj59-f6c3-3vw4
• https://www.npmjs.com/package/systeminformation

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