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Fencer Intel
high 7.3

CVE-2020-28429 in the critical feed json

Command Injection

published 5y ago modified 4mo ago also GHSA-w83x-fp72-p9qc , EUVD-2021-1213

cvss
7.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
63.3%
EPSS 63.3% chance of exploitation in 30 days, percentile 99.2%
public exploits
0
none known, plus a Nuclei check

Summary

All versions of package geojson2kml are vulnerable to Command Injection via the index.js file. PoC: var a =require("geojson2kml"); a("./","& touch JHU",function(){})

Is CVE-2020-28429 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

63.31% chance of exploitation in the next 30 days, higher than 99.2% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Nuclei template geojson2kml - Command Injection nuclei detection template
  • snyk.io https://snyk.io/vuln/SNYK-JS-GEOJSON2KML-1050412 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
npm geojson2kml
<=0.1.1
 no fix listed

Affected products

  • n/a geojson2kml

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command
  • CWE-77 Improper Neutralization of Special Elements used in a Command

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.