CVE-2020-7778

Name: CVE-2020-7778
Creator: NVD / NIST
Published: 2020-11-26T11:15:10.787+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.3/10EPSS 2.39%

Last modified Jun 17, 2026

CVE-2020-7778 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. 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.. EPSS estimates a 2.39% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.3/10

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

EPSS Probability

2.39%

81.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Systeminformation	Systeminformation	< 4.30.2

References

https://gist.github.com/EffectRenan/b434438938eed0b21b376cedf5c81e80Exploit, Third Party Advisory
https://github.com/sebhildebrandt/systeminformation/blob/master/lib/internet.jsExploit, Third Party Advisory
https://github.com/sebhildebrandt/systeminformation/commit/11103a447ab9550c25f1fbec7e6d903720b3fea8%23diff-970ae648187190f86bafc8f193b7538200eba164fad0674428b6487582c089ccPatch, Third Party Advisory
https://github.com/sebhildebrandt/systeminformation/commit/73dce8d717ca9c3b7b0d0688254b8213b957f0fa%23diff-970ae648187190f86bafc8f193b7538200eba164fad0674428b6487582c089ccPatch, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-SYSTEMINFORMATION-1043753Third Party Advisory
https://gist.github.com/EffectRenan/b434438938eed0b21b376cedf5c81e80Exploit, Third Party Advisory
https://github.com/sebhildebrandt/systeminformation/blob/master/lib/internet.jsExploit, Third Party Advisory
https://github.com/sebhildebrandt/systeminformation/commit/11103a447ab9550c25f1fbec7e6d903720b3fea8%23diff-970ae648187190f86bafc8f193b7538200eba164fad0674428b6487582c089ccPatch, Third Party Advisory
https://github.com/sebhildebrandt/systeminformation/commit/73dce8d717ca9c3b7b0d0688254b8213b957f0fa%23diff-970ae648187190f86bafc8f193b7538200eba164fad0674428b6487582c089ccPatch, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-SYSTEMINFORMATION-1043753Third Party Advisory

Timeline

Published: Nov 26, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-7778?

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.

How severe is CVE-2020-7778?

CVE-2020-7778 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 2.39% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7778?

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-2020-7778?

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

Scan your code now

Source: NVD / NIST