{"cve":"CVE-2020-7666","nvd":{"published":"2020-09-01T14:15:14.253","modified":"2026-06-17T03:25:13.703","status":"Modified","description":"This affects all versions of package github.com/u-root/u-root/pkg/cpio. It is vulnerable to leading, non-leading relative path traversal attacks and symlink based (relative and absolute) path traversal attacks in cpio file extraction.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","score":7.5},"cwes":["CWE-22"],"references":["https://github.com/u-root/u-root/pull/1817","https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMUROOTUROOTPKGCPIO-570440","https://github.com/u-root/u-root/pull/1817","https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMUROOTUROOTPKGCPIO-570440"],"products":["u-root:u-root"],"source":"nvd","synced_at":"2026-10-19T21:09:20.498348299+00:00"},"epss":{"cve":"CVE-2020-7666","score":0.01527,"percentile":0.74705,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-mq35-x99r-54fc","url":"https://osv.dev/vulnerability/GHSA-mq35-x99r-54fc","summary":"github.com/u-root/u-root/pkg/cpio Arbitrary File Write via Archive Extraction (Zip Slip)","modified":"2026-03-13T22:11:20.805146Z","packages":[{"ecosystem":"Go","name":"github.com/u-root/u-root/pkg/cpio","purl":"pkg:golang/github.com/u-root/u-root/pkg/cpio","ranges":["<=7.0.0"],"fixed":[]}]}],"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."]}