{"cve":"CVE-2021-3907","nvd":{"published":"2021-11-11T22:15:07.820","modified":"2026-06-17T04:05:58.127","status":"Modified","description":"OctoRPKI does not escape a URI with a filename containing \"..\", this allows a repository to create a file, (ex. rsync://example.org/repo/../../etc/cron.daily/evil.roa), which would then be written to disk outside the base cache folder. This could allow for remote code execution on the host machine OctoRPKI is running on.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-22","CWE-20"],"references":["https://github.com/cloudflare/cfrpki/security/advisories/GHSA-3jhm-87m6-x959","https://github.com/cloudflare/cfrpki/security/advisories/GHSA-cqh2-vc2f-q4fh","https://www.debian.org/security/2021/dsa-5033","https://www.debian.org/security/2022/dsa-5041","https://github.com/cloudflare/cfrpki/security/advisories/GHSA-3jhm-87m6-x959"],"products":["cloudflare:octorpki","debian:debian_linux"],"source":"nvd","synced_at":"2026-10-19T21:24:39.218183596+00:00"},"epss":{"cve":"CVE-2021-3907","score":0.04199,"percentile":0.90953,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-8459-6rc9-8vf8","url":"https://osv.dev/vulnerability/GHSA-8459-6rc9-8vf8","summary":"Path traversal in github.com/cloudflare/cfrpki/cmd/octorpki","modified":"2025-01-14T09:41:54.827947Z","packages":[{"ecosystem":"Go","name":"github.com/cloudflare/cfrpki","purl":"pkg:golang/github.com/cloudflare/cfrpki","ranges":["<1.4.3"],"fixed":["1.4.3"]}]},{"id":"GHSA-cqh2-vc2f-q4fh","url":"https://osv.dev/vulnerability/GHSA-cqh2-vc2f-q4fh","summary":"Arbitrary filepath traversal via URI injection ","modified":"2026-02-04T02:22:56.432665Z","packages":[{"ecosystem":"Go","name":"github.com/cloudflare/cfrpki","purl":"pkg:golang/github.com/cloudflare/cfrpki","ranges":["<1.4.4"],"fixed":["1.4.4"]}]},{"id":"GO-2022-0248","url":"https://osv.dev/vulnerability/GO-2022-0248","summary":"Directory traversal in manifest path extraction in github.com/cloudflare/cfrpki","modified":"2026-02-04T03:00:30.292123Z","packages":[{"ecosystem":"Go","name":"github.com/cloudflare/cfrpki","purl":"pkg:golang/github.com/cloudflare/cfrpki","ranges":["<1.4.4"],"fixed":["1.4.4"]}]}],"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."]}