How severe is CVE-2020-26300?

CVE-2020-26300 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-26300 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-26300?

CVE-2020-26300 affects Systeminformation. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-26300?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-26300 published?

CVE-2020-26300 was published on 2021-09-09 and last updated on 2026-06-17.

CVE-2020-26300

CVE-2020-26300 is a medium-severity vulnerability in Systeminformation with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 7.5
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Systeminformation
Published: 2021-09-09
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-26300?: 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.
How severe is CVE-2020-26300?: CVE-2020-26300 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-26300 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-26300?: CVE-2020-26300 affects Systeminformation. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-26300?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-26300 published?: CVE-2020-26300 was published on 2021-09-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:systeminformation:systeminformation:*:*:*:*:*:node.js:*:*

More vulnerabilities in Systeminformation

CVE-2023-42810 — Critical (CVSS 9.8): systeminformation is a System Information Library for Node.JS. Versions 5.0.0 through 5.21.6 have a SSID Command…
CVE-2021-21388 — High (CVSS 8.9): systeminformation is an open source system and OS information library for node.js. A command injection vulnerability…
CVE-2026-26318 — High (CVSS 8.8): systeminformation is a System and OS information library for node.js. Versions prior to 5.31.0 are vulnerable to…
CVE-2020-7752 — High (CVSS 8.8): This affects the package systeminformation before 4.27.11. This package is vulnerable to Command Injection. The…
CVE-2026-26280 — High (CVSS 8.4): systeminformation is a System and OS information library for node.js. In versions prior to 5.30.8, a command injection…
CVE-2025-68154 — High (CVSS 8.1): systeminformation is a System and OS information library for node.js. In versions prior to 5.27.14, the `fsSize()`…

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