{"id":"ALPINE-CVE-2020-14145","details":"The client side in OpenSSH 5.7 through 8.4 has an Observable Discrepancy leading to an information leak in the algorithm negotiation. This allows man-in-the-middle attackers to target initial connection attempts (where no host key for the server has been cached by the client). NOTE: some reports state that 8.5 and 8.6 are also affected.","modified":"2026-09-11T10:17:51.375462870Z","published":"2020-06-29T18:15:11.940Z","upstream":["CVE-2020-14145"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2020-14145"}],"affected":[{"package":{"name":"openssh","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/openssh?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.7"},{"fixed":"8.3_p1-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-14145.json"}},{"package":{"name":"openssh","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/openssh?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.7"},{"fixed":"8.4_p1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-14145.json"}},{"package":{"name":"openssh","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/openssh?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.7"},{"fixed":"8.4_p1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-14145.json"}},{"package":{"name":"openssh","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/openssh?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.7"},{"fixed":"8.4_p1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-14145.json"}},{"package":{"name":"openssh","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/openssh?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.7"},{"fixed":"8.4_p1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-14145.json"}},{"package":{"name":"openssh","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/openssh?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.7"},{"fixed":"8.4_p1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-14145.json"}},{"package":{"name":"openssh","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/openssh?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.7"},{"fixed":"8.4_p1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-14145.json"}},{"package":{"name":"openssh","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/openssh?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.7"},{"fixed":"8.4_p1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-14145.json"}},{"package":{"name":"openssh","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/openssh?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.7"},{"fixed":"8.4_p1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-14145.json"}},{"package":{"name":"openssh","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/openssh?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.7"},{"fixed":"8.4_p1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-14145.json"}},{"package":{"name":"openssh","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/openssh?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.7"},{"fixed":"8.4_p1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-14145.json"}},{"package":{"name":"openssh","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/openssh?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.7"},{"fixed":"8.4_p1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-14145.json"}},{"package":{"name":"openssh","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/openssh?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.7"},{"fixed":"8.4_p1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-14145.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"}]}