{"cve":"CVE-2020-16164","nvd":{"published":"2020-07-30T16:15:11.943","modified":"2026-06-17T02:57:48.907","status":"Modified","description":"An issue was discovered in RIPE NCC RPKI Validator 3.x through 3.1-2020.07.06.14.28. It allows remote attackers to bypass intended access restrictions or to cause a denial of service on dependent routing systems by strategically withholding RPKI Route Origin Authorisation \".roa\" files or X509 Certificate Revocation List files from the RPKI relying party's view. NOTE: some third parties may regard this as a preferred behavior, not a vulnerability","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H","score":7.4},"cwes":["CWE-295"],"references":["https://github.com/RIPE-NCC/rpki-validator-3/issues/158","https://github.com/RIPE-NCC/rpki-validator-3/issues/232","https://github.com/RIPE-NCC/rpki-validator-3/security/advisories/GHSA-q76j-58cx-wp5v","https://github.com/RIPE-NCC/rpki-validator-3/issues/158","https://github.com/RIPE-NCC/rpki-validator-3/issues/232"],"products":["ripe:rpki_validator_3"],"source":"nvd","synced_at":"2026-10-19T21:06:22.076270124+00:00"},"epss":{"cve":"CVE-2020-16164","score":0.00907,"percentile":0.59924,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-q76j-58cx-wp5v","url":"https://osv.dev/vulnerability/GHSA-q76j-58cx-wp5v","summary":"Vulnerability in RPKI manifest validation","modified":"2026-07-08T06:50:51.827950617Z","packages":[{"ecosystem":"Maven","name":"net.ripe.rpki:rpki-validator-3","purl":"pkg:maven/net.ripe.rpki/rpki-validator-3","ranges":["<3.2-2020.10.28.23.06"],"fixed":["3.2-2020.10.28.23.06"]}]}],"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."]}