What is CVE-2020-26274?

CVE-2020-26274 is a medium-severity vulnerability in Sebhildebrandt Systeminformation, classified under OS Command Injection. CVSS score: 6.4/10. Published 2020-12-16.

How severe is CVE-2020-26274?

Medium severity. CVSS v3 base score is 6.4 out of 10.

RCE in Sebhildebrandt Systeminformation

CVE-2020-26274

In systeminformation (npm package) before version 4.31.1 there is a command injection vulnerability. The problem was fixed in version 4.31.1 with a shell string sanitation fix.

Vulnerability class: Command Injection (OS Command Injection)

Published 2020-12-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.027 (86.0th percentile), scored 2026-10-19.

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000

Affected products

Sebhildebrandt Systeminformation — versions < 4.31.1
Systeminformation

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-m57p-p67h-… (Third Party Advisory)
github.com/sebhildebrandt/systeminformation/commit/1faadcbf68f1b1fdd5eb2054f68f… (Patch, Third Party Advisory)
www.npmjs.com/package/systeminformation (Product, Third Party Advisory)

Frequently asked questions

What is CVE-2020-26274?: CVE-2020-26274 is a medium-severity vulnerability in Sebhildebrandt Systeminformation, classified under OS Command Injection. CVSS score: 6.4/10. Published 2020-12-16.
How severe is CVE-2020-26274?: Medium severity. CVSS v3 base score is 6.4 out of 10.