{"id":"CVE-2021-33880","details":"The aaugustin websockets library before 9.1 for Python has an Observable Timing Discrepancy on servers when HTTP Basic Authentication is enabled with basic_auth_protocol_factory(credentials=...). An attacker may be able to guess a password via a timing attack.","aliases":["GHSA-8ch4-58qp-g3mp","PYSEC-2021-95"],"modified":"2026-08-27T03:48:39.555641988Z","published":"2021-06-06T15:15:07.407Z","database_specific":{"unresolved_ranges":[{"source":"CPE_STRING","vendor_product":"oracle:communications_cloud_native_core_policy","cpes":["cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"1.14.0"},{"last_affected":"1.14.0"}]},{"source":"CPE_STRING","vendor_product":"oracle:communications_cloud_native_core_security_edge_protection_proxy","cpes":["cpe:2.3:a:oracle:communications_cloud_native_core_security_edge_protection_proxy:1.5.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"1.5.0"},{"last_affected":"1.5.0"}]},{"source":"CPE_STRING","vendor_product":"oracle:communications_cloud_native_core_service_communication_proxy","cpes":["cpe:2.3:a:oracle:communications_cloud_native_core_service_communication_proxy:1.14.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"1.14.0"},{"last_affected":"1.14.0"}]},{"source":"CPE_STRING","vendor_product":"oracle:communications_cloud_native_core_unified_data_repository","cpes":["cpe:2.3:a:oracle:communications_cloud_native_core_unified_data_repository:1.14.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"1.14.0"},{"last_affected":"1.14.0"}]}]},"references":[{"type":"FIX","url":"https://github.com/aaugustin/websockets/commit/547a26b685d08cac0aa64e5e65f7867ac0ea9bc0"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpuapr2022.html"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpujan2022.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/python-websockets/websockets","events":[{"introduced":"0"},{"fixed":"d0f328888f3e695aa64d78dcf48af4ece219221b"},{"fixed":"547a26b685d08cac0aa64e5e65f7867ac0ea9bc0"}],"database_specific":{"cpe":"cpe:2.3:a:websockets_project:websockets:*:*:*:*:*:python:*:*","extracted_events":[{"introduced":"0"},{"fixed":"9.1"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["9.0.2","9.0.1","9.0","8.1","8.0.2","8.0.1","8.0","7.0","6.0","5.0.1","5.0","4.0.1","4.0","3.4","3.3","3.2","3.1","3.0","2.7","2.6","2.5","2.4","2.3","2.2","2.1","2.0","1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33880.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}