{"cve":"CVE-2018-20487","nvd":{"published":"2019-04-11T21:29:00.797","modified":"2026-06-17T01:52:57.233","status":"Modified","description":"An issue was discovered in the firewall3 component in Inteno IOPSYS 1.0 through 3.16. The attacker must make a JSON-RPC method call to add a firewall rule as an \"include\" and point the \"path\" argument to a malicious script or binary. This gets executed as root when the firewall changes are committed.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-20"],"references":["http://public.inteno.se/?p=feed-inteno-openwrt.git%3Ba=commit%3Bh=e6159ca928d7f0c143be213afc6bf810c0329fe2","https://neonsea.uk/blog/2018/12/26/firewall-includes.html","http://public.inteno.se/?p=feed-inteno-openwrt.git%3Ba=commit%3Bh=e6159ca928d7f0c143be213afc6bf810c0329fe2","https://neonsea.uk/blog/2018/12/26/firewall-includes.html"],"products":["inteno:iopsys"],"source":"nvd","synced_at":"2026-10-19T20:56:19.218283075+00:00"},"epss":{"cve":"CVE-2018-20487","score":0.01871,"percentile":0.7936,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}