CVE-2020-26245
highpriority · track · 40EPSS 0.022 · 83 %ileEUUSEPSS · scored 2026-10-27
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().
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
- systeminformation systeminformation< 4.30.5nvdUScpe:2.3:a:systeminformation:systeminformation:*:*:*:*:*:*:*:*
advisories (1)
Vendor and ecosystem advisories describing this.
- GHSA-4v2w-h9jm-mqjgPrototype Pollution in systeminformation2020-11-27ghsa · osvUS
### Impact command injection vulnerability by prototype pollution ### Patches Problem was fixed with a rewrite of shell sanitations to avoid prototyper pollution problems. Please upgrade to version >= 4.30.2 ### Workarounds If you cannot upgrade, be sure to check or sanitize service parameter strings that are passed to si.inetChecksite() ### For more information If you have any questions or comments about this advisory: * Open an issue in [systeminformation](https://github.com/sebhildebrandt/systeminformation/issues/new?template=bug_report.md)
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://github.com/sebhildebrandt/systeminformation/commit/8113ff0e87b2f422a5756c48f1057575e73af016cnnvd
- https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-4v2w-h9jm-mqjgcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-26245cnnvd
- https://github.com/sebhildebrandt/systeminformation/commit/8113ff0e87b2f422a5756c48f1057575e73af016enisa_euvd
- https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-4v2w-h9jm-mqjgenisa_euvd
- https://github.com/sebhildebrandt/systeminformation/commit/8113ff0e87b2f422a5756c48f1057575e73af016PatchThird Party Advisorynvd
- https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-4v2w-h9jm-mqjgThird Party Advisorynvd
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