{"id":"CVE-2020-24661","aliases":["ALPINE-CVE-2020-24661","DEBIAN-CVE-2020-24661","EUVD-2020-17375","GHSA-9q4r-jrvx-7p2q","MGASA-2020-0390","UBUNTU-CVE-2020-24661","openSUSE-SU-2024:10781-1"],"status":"published","title":"GNOME Geary before 3.36.3 mishandles pinned TLS certificate verification for IMAP and SMTP...","description":"GNOME Geary before 3.36.3 mishandles pinned TLS certificate verification for IMAP and SMTP services using invalid TLS certificates (e.g., self-signed certificates) when the client system is not configured to use a system-provided PKCS#11 store. This allows a meddler in the middle to present a different invalid certificate to intercept incoming and outgoing mail.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00922,"percentile":0.60836,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-295"],"published":"2020-08-26T15:06:03Z","modified":"2026-11-03T06:32:36Z","fixes":[{"ecosystem":"Alpine:v3.12","package":"geary","fixed_in":["3.36.2-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"geary","fixed_in":["3.37.91-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"geary","fixed_in":["3.37.91-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"geary","fixed_in":["3.37.91-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"geary","fixed_in":["3.37.91-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"geary","fixed_in":["3.37.91-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"geary","fixed_in":["3.37.91-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"geary","fixed_in":["3.37.91-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"geary","fixed_in":["3.37.91-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"geary","fixed_in":["3.37.91-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"geary","fixed_in":["3.37.91-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"geary","fixed_in":["3.37.91-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"geary","fixed_in":["3.37.91-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"geary","fixed_in":["3.38.0.1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"geary","fixed_in":["3.38.0.1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"geary","fixed_in":["3.38.0.1-1"],"sources":["osv"]},{"ecosystem":"Mageia:7","package":"geary","fixed_in":["3.32.1-1.1.mga7"],"sources":["osv"]},{"ecosystem":"openSUSE:Tumbleweed","package":"geary","fixed_in":["40.0-1.4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.12","package":"geary","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.36.2-r1"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"geary","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.37.91-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"geary","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.37.91-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"geary","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.37.91-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"geary","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.37.91-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"geary","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.37.91-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"geary","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.37.91-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"geary","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.37.91-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"geary","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.37.91-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"geary","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.37.91-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"geary","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.37.91-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"geary","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.37.91-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"geary","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.37.91-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"geary","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.38.0.1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"geary","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.38.0.1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"geary","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.38.0.1-1"}]}]},{"source":"osv","ecosystem":"Mageia:7","package":"geary","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.32.1-1.1.mga7"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"geary","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.10.0-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"geary","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.12.0-0ubuntu1","0.12.0-1ubuntu1","0.12.4-4~ubuntu18.04.3"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"geary","rang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Tracking","Third Party Advisory","report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NS6CSTOBVO5HSAR3X5CT6DS6QDHXDB26/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G7OTYTGND6EFOKNQJWCHKKXKSN7SM73Y/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://tools.cisco.com/security/center/content/CiscoSeg/message/NS6CSTOBVO5HSAR3X5CT6DS6QDHXDB26/","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Broken Link","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-24661"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G7OTYTGND6EFOKNQJWCHKKXKSN7SM73Y"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NS6CSTOBVO5HSAR3X5CT6DS6QDHXDB26"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G7OTYTGND6EFOKNQJWCHKKXKSN7SM73Y"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NS6CSTOBVO5HSAR3X5CT6DS6QDHXDB26"},{"url":"https://tools.cisco.com/security/center/content/CiscoSeg/message/NS6CSTOBVO5HSAR3X5CT6DS6QDHXDB26"},{"url":"https://github.com/advisories/GHSA-9q4r-jrvx-7p2q"},{"url":"https://security.alpinelinux.org/vuln/CVE-2020-24661","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-24661","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2020-0390.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=27242","tags":["report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/NS6CSTOBVO5HSAR3X5CT6DS6QDHXDB26/","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2020-24661","tags":["report"]},{"url":"https://gitlab.gnome.org/GNOME/geary/-/commit/0fc8c7c62e8af5734f3ad17f158e5bed7f05fc18","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-24661","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2020-24661","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2020-24661","description":"GNOME Geary before 3.36.3 mishandles pinned TLS certificate verification for IMAP and SMTP services using invalid TLS certificates (e.g., self-signed certificates) when the client system is not configured to use a system-provided PKCS#11 store. This allows a meddler in the middle to present a different invalid certificate to intercept incoming and outgoing mail.","status":"published","published":"2020-08-26T15:06:03Z","modified":"2024-08-04T15:19:09.066Z","updated_at":"2026-11-02T14:35:54.468882Z"}],"euvd":[{"id":"EUVD-2020-17375","description":"GNOME Geary before 3.36.3 mishandles pinned TLS certificate verification for IMAP and SMTP services using invalid TLS certificates (e.g., self-signed certificates) when the client system is not configured to use a system-provided PKCS#11 store. This allows a meddler in the middle to present a different invalid certificate to intercept incoming and outgoing mail.","status":"published","published":"2020-08-26T15:06:03Z","modified":"2024-08-04T15:19:09Z","updated_at":"2026-11-03T03:07:19.210308Z"}],"ghsa":[{"id":"GHSA-9q4r-jrvx-7p2q","title":"GNOME Geary before 3.36.3 mishandles pinned TLS certificate verification for IMAP and SMTP...","description":"GNOME Geary before 3.36.3 mishandles pinned TLS certificate verification for IMAP and SMTP services using invalid TLS certificates (e.g., self-signed certificates) when the client system is not configured to use a system-provided PKCS#11 store. This allows a meddler in the middle to present a different invalid certificate to intercept incoming and outgoing mail.","status":"published","published":"2022-05-24T17:26:44Z","modified":"2024-04-04T02:56:04Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:56:13.24073Z"}],"nvd":[{"id":"CVE-2020-24661","description":"GNOME Geary before 3.36.3 mishandles pinned TLS certificate verification for IMAP and SMTP services using invalid TLS certificates (e.g., self-signed certificates) when the client system is not configured to use a system-provided PKCS#11 store. This allows a meddler in the middle to present a different invalid certificate to intercept incoming and outgoing mail.","status":"published","published":"2020-08-26T16:15:12.76Z","modified":"2026-06-17T03:05:56.27Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.6,"vector":"AV:N/AC:H/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:06:13.600965Z"}],"osv":[{"id":"ALPINE-CVE-2020-24661","description":"GNOME Geary before 3.36.3 mishandles pinned TLS certificate verification for IMAP and SMTP services using invalid TLS certificates (e.g., self-signed certificates) when the client system is not configured to use a system-provided PKCS#11 store. This allows a meddler in the middle to present a different invalid certificate to intercept incoming and outgoing mail.","status":"published","published":"2020-08-26T16:15:12.76Z","modified":"2026-11-03T06:32:36.70635853Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T07:17:20.312441Z"},{"id":"CVE-2020-24661","description":"GNOME Geary before 3.36.3 mishandles pinned TLS certificate verification for IMAP and SMTP services using invalid TLS certificates (e.g., self-signed certificates) when the client system is not configured to use a system-provided PKCS#11 store. This allows a meddler in the middle to present a different invalid certificate to intercept incoming and outgoing mail.","status":"published","published":"2020-08-26T16:15:12.76Z","modified":"2026-10-20T10:52:53.083646029Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:15.879068Z"},{"id":"DEBIAN-CVE-2020-24661","description":"GNOME Geary before 3.36.3 mishandles pinned TLS certificate verification for IMAP and SMTP services using invalid TLS certificates (e.g., self-signed certificates) when the client system is not configured to use a system-provided PKCS#11 store. This allows a meddler in the middle to present a different invalid certificate to intercept incoming and outgoing mail.","status":"published","published":"2020-08-26T16:15:12.76Z","modified":"2026-10-26T12:00:39.982733941Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:33.729655Z"},{"id":"UBUNTU-CVE-2020-24661","description":"GNOME Geary before 3.36.3 mishandles pinned TLS certificate verification for IMAP and SMTP services using invalid TLS certificates (e.g., self-signed certificates) when the client system is not configured to use a system-provided PKCS#11 store. This allows a meddler in the middle to present a different invalid certificate to intercept incoming and outgoing mail.","status":"published","published":"2020-08-26T16:15:00Z","modified":"2025-10-24T04:48:41Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:23.905183Z"},{"id":"MGASA-2020-0390","title":"Updated geary package fixes a security vulnerability","description":"GNOME Geary before 3.36.3 mishandles pinned TLS certificate verification for\nIMAP and SMTP services using invalid TLS certificates (e.g., self-signed\ncertificates) when the client system is not configured to use a system-provided\nPKCS#11 store. This allows a meddler in the middle to present a different\ninvalid certificate to intercept incoming and outgoing mail. (CVE-2020-24661)\n","status":"published","published":"2020-10-21T13:07:53Z","modified":"2026-04-16T04:41:20.432670769Z","updated_at":"2026-11-02T15:49:41.509337Z"},{"id":"openSUSE-SU-2024:10781-1","title":"geary-40.0-1.4 on GA media","description":"These are all security issues fixed in the geary-40.0-1.4 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:22:57.338425Z","updated_at":"2026-11-02T16:58:34.487567Z"}]}}