{"id":"GHSA-97cv-6pjf-5f9q","summary":"AsyncSSH SSH Server Authentication Bypass","details":"The SSH server implementation of AsyncSSH before 1.12.1 does not properly check whether authentication is completed before processing other requests. A customized SSH client can simply skip the authentication step.","aliases":["CVE-2018-7749","PYSEC-2018-108"],"modified":"2025-02-16T05:28:33.468247Z","published":"2022-05-14T01:29:12Z","database_specific":{"nvd_published_at":"2018-03-12T19:29:00Z","cwe_ids":["CWE-287"],"severity":"CRITICAL","github_reviewed":true,"github_reviewed_at":"2023-08-03T22:53:06Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-7749"},{"type":"WEB","url":"https://github.com/ronf/asyncssh/commit/16e6ebfa893167c7d9d3f6dc7a2c0d197e47f43a"},{"type":"WEB","url":"https://github.com/ronf/asyncssh/commit/c161e26cdc0d41b745b63d9f17b437f073bf7ba4"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/asyncssh/PYSEC-2018-108.yaml"},{"type":"PACKAGE","url":"https://github.com/ronf/asyncssh"},{"type":"WEB","url":"https://groups.google.com/forum/#!msg/asyncssh-announce/57_5O7kiHSA/8BXZ_hxHAQAJ"}],"affected":[{"package":{"name":"asyncssh","ecosystem":"PyPI","purl":"pkg:pypi/asyncssh"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.1"}]}],"versions":["0.8.1","0.8.2","0.8.3","0.8.4","0.9.0","0.9.1","0.9.2","1.0.0","1.0.1","1.1.0","1.1.1","1.10.0","1.10.1","1.11.0","1.11.1","1.12.0","1.2.0","1.2.1","1.3.0","1.3.1","1.3.2","1.4.0","1.4.1","1.5.0","1.5.1","1.5.2","1.5.3","1.5.4","1.5.5","1.5.6","1.6.0","1.6.1","1.6.2","1.7.1","1.7.2","1.7.3","1.8.0","1.8.1","1.9.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-97cv-6pjf-5f9q/GHSA-97cv-6pjf-5f9q.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}]}