{"id":"CVE-2020-24585","aliases":["DEBIAN-CVE-2020-24585","EUVD-2020-17302","GHSA-5vqc-37wg-fvq8","UBUNTU-CVE-2020-24585"],"status":"published","title":"An issue was discovered in the DTLS handshake implementation in wolfSSL before 4.5.0. Clear DTLS...","description":"An issue was discovered in the DTLS handshake implementation in wolfSSL before 4.5.0. Clear DTLS application_data messages in epoch 0 do not produce an out-of-order error. Instead, these messages are returned to the application.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00894,"percentile":0.59745,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2020-08-21T13:04:34Z","modified":"2026-10-26T12:00:39Z","fixes":[{"ecosystem":"Debian:12","package":"wolfssl","fixed_in":["4.5.0+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"wolfssl","fixed_in":["4.5.0+dfsg-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"wolfssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.0+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"wolfssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.0+dfsg-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"wolfssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.8+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"wolfssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.10.2+dfsg-2","3.12.0+dfsg-1","3.12.2+dfsg-1","3.13.0+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"wolfssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.0+dfsg-2","4.2.0+dfsg-1","4.2.0+dfsg-2","4.2.0+dfsg-3","4.3.0+dfsg-2"]}],"products":[{"vendor":"wolfssl","product":"wolfssl"}],"references":[{"url":"https://github.com/wolfSSL/wolfssl/pull/3219","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","report"]},{"url":"https://github.com/wolfSSL/wolfssl/releases/tag/v4.5.0-stable","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-24585"},{"url":"https://github.com/advisories/GHSA-5vqc-37wg-fvq8"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-24585","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-24585","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-24585","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-24585","description":"An issue was discovered in the DTLS handshake implementation in wolfSSL before 4.5.0. Clear DTLS application_data messages in epoch 0 do not produce an out-of-order error. Instead, these messages are returned to the application.","status":"published","published":"2020-08-21T13:04:34Z","modified":"2024-08-04T15:19:09.348Z","updated_at":"2026-11-02T14:35:54.468882Z"}],"euvd":[{"id":"EUVD-2020-17302","description":"An issue was discovered in the DTLS handshake implementation in wolfSSL before 4.5.0. Clear DTLS application_data messages in epoch 0 do not produce an out-of-order error. Instead, these messages are returned to the application.","status":"published","published":"2020-08-21T13:04:34Z","modified":"2024-08-04T15:19:09Z","updated_at":"2026-11-03T03:07:19.210308Z"}],"ghsa":[{"id":"GHSA-5vqc-37wg-fvq8","title":"An issue was discovered in the DTLS handshake implementation in wolfSSL before 4.5.0. Clear DTLS...","description":"An issue was discovered in the DTLS handshake implementation in wolfSSL before 4.5.0. Clear DTLS application_data messages in epoch 0 do not produce an out-of-order error. Instead, these messages are returned to the application.","status":"published","published":"2022-05-24T17:26:20Z","modified":"2023-01-29T05:03:50Z","updated_at":"2026-11-02T14:45:24.688971Z"}],"nvd":[{"id":"CVE-2020-24585","description":"An issue was discovered in the DTLS handshake implementation in wolfSSL before 4.5.0. Clear DTLS application_data messages in epoch 0 do not produce an out-of-order error. Instead, these messages are returned to the application.","status":"published","published":"2020-08-21T14:15:11.137Z","modified":"2026-06-17T03:05:48.523Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:13.05572Z"}],"osv":[{"id":"CVE-2020-24585","description":"An issue was discovered in the DTLS handshake implementation in wolfSSL before 4.5.0. Clear DTLS application_data messages in epoch 0 do not produce an out-of-order error. Instead, these messages are returned to the application.","status":"published","published":"2020-08-21T14:15:11.137Z","modified":"2026-10-20T10:52:51.61082487Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:15.879068Z"},{"id":"DEBIAN-CVE-2020-24585","description":"An issue was discovered in the DTLS handshake implementation in wolfSSL before 4.5.0. Clear DTLS application_data messages in epoch 0 do not produce an out-of-order error. Instead, these messages are returned to the application.","status":"published","published":"2020-08-21T14:15:11.137Z","modified":"2026-10-26T12:00:39.789443715Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:33.729655Z"},{"id":"UBUNTU-CVE-2020-24585","description":"An issue was discovered in the DTLS handshake implementation in wolfSSL before 4.5.0. Clear DTLS application_data messages in epoch 0 do not produce an out-of-order error. Instead, these messages are returned to the application.","status":"published","published":"2020-08-21T14:15:00Z","modified":"2026-04-22T12:34:44.987882Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:23.905183Z"}]}}