{"id":"CVE-2020-20813","details":"Control Channel in OpenVPN 2.4.7 and earlier allows remote attackers to cause a denial of service via crafted reset packet.","modified":"2026-07-08T19:02:02.368525Z","published":"2023-08-22T19:16:08.247Z","references":[{"type":"ADVISORY","url":"https://www.freebuf.com/vuls/215171.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/openvpn/openvpn","events":[{"introduced":"0"},{"last_affected":"2b8aec62d5db2c17d5d4052991bc18272748bf29"}],"database_specific":{"cpe":"cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"2.4.7"}],"source":"CPE_RANGE"}}],"versions":["v2.4.7","v2.4.6","v2.4.5","v2.4.4","v2.4.3","v2.4.2","v2.4.1","v2.4.0","v2.4_rc2","v2.4_rc1","v2.4_beta2","v2.4_beta1","v2.4_alpha2","v2.4_alpha1","v2.3_beta1","v2.3_alpha3","v2.3_alpha2","v2.3-alpha1","v2.2-RC2","v2.2-RC","v2.2-beta5","v2.2-beta4","v2.1.3","v2.1.2","v2.1.1","v2.1.0","v2.1_rc22","v2.1_rc21","v2.1_rc20","v2.1_rc19","v2.1_rc18","v2.1_rc17","v2.1_rc16","v2.1_rc15","v2.1_rc14","v2.1_rc13","v2.1_rc12","v2.1_rc11","v2.1_rc10","v2.1_rc9","v2.1_rc8","v2.1_rc7","v2.1_rc6","v2.1_rc5","v2.1_rc4","v2.1_rc3","v2.1_rc2","v2.1_rc1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-20813.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:N/A:H"}]}