{"id":"UBUNTU-CVE-2020-15646","details":"If an attacker intercepts Thunderbird's initial attempt to perform automatic account setup using the Microsoft Exchange autodiscovery mechanism, and the attacker sends a crafted response, then Thunderbird sends username and password over https to a server controlled by the attacker. This vulnerability affects Thunderbird \u003c 68.10.0.","modified":"2026-04-22T14:07:37.532714Z","published":"2020-10-08T14:15:00Z","upstream":["CVE-2020-15646"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-15646"},{"type":"REPORT","url":"https://www.mozilla.org/en-US/security/advisories/mfsa2020-26/#CVE-2020-15646"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-15646"}],"affected":[{"package":{"name":"thunderbird","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/thunderbird@1:68.10.0+build1-0ubuntu0.16.04.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:68.10.0+build1-0ubuntu0.16.04.1"}]}],"versions":["1:38.3.0+build1-0ubuntu2","1:38.5.1+build2-0ubuntu1","1:38.6.0+build1-0ubuntu1","1:38.7.2+build1-0ubuntu0.16.04.1","1:38.8.0+build1-0ubuntu0.16.04.1","1:45.2.0+build1-0ubuntu0.16.04.1","1:45.3.0+build1-0ubuntu0.16.04.2","1:45.4.0+build1-0ubuntu0.16.04.1","1:45.5.1+build1-0ubuntu0.16.04.1","1:45.7.0+build1-0ubuntu0.16.04.1","1:45.8.0+build1-0ubuntu0.16.04.1","1:52.1.1+build1-0ubuntu0.16.04.1","1:52.2.1+build1-0ubuntu0.16.04.1","1:52.3.0+build1-0ubuntu0.16.04.1","1:52.4.0+build1-0ubuntu0.16.04.2","1:52.5.0+build1-0ubuntu0.16.04.1","1:52.6.0+build1-0ubuntu0.16.04.1","1:52.7.0+build1-0ubuntu0.16.04.1","1:52.8.0+build1-0ubuntu0.16.04.1","1:52.9.1+build3-0ubuntu0.16.04.1","1:60.2.1+build1-0ubuntu0.16.04.4","1:60.4.0+build2-0ubuntu0.16.04.1","1:60.5.1+build2-0ubuntu0.16.04.1","1:60.6.1+build2-0ubuntu0.16.04.1","1:60.7.0+build1-0ubuntu0.16.04.1","1:60.7.1+build1-0ubuntu0.16.04.1","1:60.7.2+build2-0ubuntu0.16.04.1","1:60.8.0+build1-0ubuntu0.16.04.2","1:60.9.0+build1-0ubuntu0.16.04.2","1:60.9.1+build1-0ubuntu0.16.04.1","1:68.7.0+build1-0ubuntu0.16.04.2","1:68.8.0+build2-0ubuntu0.16.04.2"],"ecosystem_specific":{"availability":"No 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subscription required","binaries":[{"binary_version":"1:68.10.0+build1-0ubuntu0.20.04.1","binary_name":"thunderbird"},{"binary_version":"1:68.10.0+build1-0ubuntu0.20.04.1","binary_name":"thunderbird-gnome-support"},{"binary_version":"1:68.10.0+build1-0ubuntu0.20.04.1","binary_name":"thunderbird-mozsymbols"},{"binary_version":"1:68.10.0+build1-0ubuntu0.20.04.1","binary_name":"xul-ext-calendar-timezones"},{"binary_version":"1:68.10.0+build1-0ubuntu0.20.04.1","binary_name":"xul-ext-gdata-provider"},{"binary_version":"1:68.10.0+build1-0ubuntu0.20.04.1","binary_name":"xul-ext-lightning"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-15646.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}