{"id":"CVE-2020-16162","details":"An issue was discovered in RIPE NCC RPKI Validator 3.x through 3.1-2020.07.06.14.28. Missing validation checks on CRL presence or CRL staleness in the X509-based RPKI certificate-tree validation procedure allow remote attackers to bypass intended access restrictions by using revoked certificates. NOTE: there may be counterarguments related to backwards compatibility","modified":"2026-04-10T04:23:14.994313Z","published":"2020-07-30T16:15:11.850Z","references":[{"type":"ADVISORY","url":"https://github.com/RIPE-NCC/rpki-validator-3/issues/162"},{"type":"ADVISORY","url":"https://github.com/RIPE-NCC/rpki-validator-3/issues/232"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/ripe-ncc/rpki-validator-3","events":[{"introduced":"04bf9f9e4f0fca781263959ada8434f205d8f3ce"},{"last_affected":"306b5bdd9fc77e1075f0af2d4ca797947a6093e3"}],"database_specific":{"versions":[{"introduced":"3.0"},{"last_affected":"3.1-2020.07.06.14.28"}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-16162.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}