{"action":"Upgrade putty to 0.76-r0 or later.","affected":[{"fixed":"0.76-r0","introduced":"0"}],"component":"putty","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.11","exploited":false,"fixed_versions":["0.76-r0"],"id":"tcs_01M5NDATMET5MKTE88TTH8KFDM","modified_at":"2026-10-23T17:17:56.199952812Z","published_at":"2021-07-09T21:15:08.540Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-36367","https://security.alpinelinux.org/vuln/CVE-2021-36367"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-36367","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-36367"}],"summary":"PuTTY through 0.75 proceeds with establishing an SSH session even if it has never sent a substantive authentication response. This makes it easier for an attacker-controlled SSH server to present a la"}