CVE-2020-26300

Name: CVE-2020-26300
Creator: NVD / NIST
Published: 2021-09-09T01:15:06.93+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.41%

Last modified Jun 17, 2026

CVE-2020-26300 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 1.41% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.41%

69.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Systeminformation	Systeminformation	< 4.26.2

References

https://github.com/advisories/GHSA-fj59-f6c3-3vw4Patch, Third Party Advisory
https://github.com/sebhildebrandt/systeminformation/commit/bad372e654cdd549e7d786acbba0035ded54c607Patch, Third Party Advisory
https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-fj59-f6c3-3vw4Third Party Advisory
https://www.npmjs.com/package/systeminformationProduct, Third Party Advisory
https://github.com/advisories/GHSA-fj59-f6c3-3vw4Patch, Third Party Advisory
https://github.com/sebhildebrandt/systeminformation/commit/bad372e654cdd549e7d786acbba0035ded54c607Patch, Third Party Advisory
https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-fj59-f6c3-3vw4Third Party Advisory
https://www.npmjs.com/package/systeminformationProduct, Third Party Advisory

Timeline

Published: Sep 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-26300?

How severe is CVE-2020-26300?

CVE-2020-26300 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.41% probability of exploitation in the next 30 days.

How do I fix CVE-2020-26300?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-26300?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST