Vulnerability · Published Nov 27, 2020 · Assigned by GitHub_M

CVE-2020-26245Prototype Pollution leading to Command Injection in systeminformation

High 8.1

In plain English

A high-severity OS command injection in systeminformation from sebhildebrandt. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.2% (higher than 83% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)2.2%top 17.2% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

npm package systeminformation before version 4.30.5 is vulnerable to Prototype Pollution leading to Command Injection. The issue was fixed with a rewrite of shell sanitations to avoid prototyper pollution problems. The issue is fixed in version 4.30.5. If you cannot upgrade, be sure to check or sanitize service parameter strings that are passed to si.inetChecksite().

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Debian:14	node-systeminformation	no fix listed	DEBIAN-CVE-2020-26245
npm	systeminformation	4.30.5	GHSA-4v2w-h9jm-mqjg

Affected products (as reported)

Vendor	Product	Versions
sebhildebrandt	systeminformation	< 4.30.5

Weakness: CWE-78, CWE-471 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:L

References

https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-4v2w-h9jm-mqjg x_refsource_CONFIRM
https://github.com/sebhildebrandt/systeminformation/commit/8113ff0e87b2f422a5756c48f1057575e73af016 x_refsource_MISC