{"id":"ALPINE-CVE-2019-12855","details":"In words.protocols.jabber.xmlstream in Twisted through 19.2.1, XMPP support did not verify certificates when used with TLS, allowing an attacker to MITM connections.","modified":"2026-11-03T06:30:54.676353142Z","published":"2019-06-16T12:29:00.227Z","upstream":["CVE-2019-12855"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2019-12855"}],"affected":[{"package":{"name":"py3-twisted","ecosystem":"Alpine:v3.11","purl":"pkg:apk/alpine/py3-twisted?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"19.7.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-12855.json"}},{"package":{"name":"py3-twisted","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/py3-twisted?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"19.7.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-12855.json"}},{"package":{"name":"py3-twisted","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/py3-twisted?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"19.7.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-12855.json"}},{"package":{"name":"py3-twisted","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/py3-twisted?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"19.7.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-12855.json"}},{"package":{"name":"py3-twisted","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/py3-twisted?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"19.7.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-12855.json"}},{"package":{"name":"py3-twisted","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/py3-twisted?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"19.7.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-12855.json"}},{"package":{"name":"py3-twisted","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/py3-twisted?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"19.7.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-12855.json"}},{"package":{"name":"py3-twisted","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/py3-twisted?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"19.7.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-12855.json"}},{"package":{"name":"py3-twisted","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/py3-twisted?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"19.7.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-12855.json"}},{"package":{"name":"py3-twisted","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/py3-twisted?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"19.7.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-12855.json"}},{"package":{"name":"py3-twisted","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/py3-twisted?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"19.7.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-12855.json"}},{"package":{"name":"py3-twisted","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/py3-twisted?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"19.7.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-12855.json"}},{"package":{"name":"py3-twisted","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/py3-twisted?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"19.7.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-12855.json"}},{"package":{"name":"py3-twisted","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/py3-twisted?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"19.7.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-12855.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}