{"id":"CVE-2021-39361","aliases":["DEBIAN-CVE-2021-39361","EUVD-2021-25722","GHSA-hcvp-gmj3-5g5v","UBUNTU-CVE-2021-39361"],"status":"published","title":"In GNOME evolution-rss through 0.3.96, network-soup.c does not enable TLS certificate...","description":"In GNOME evolution-rss through 0.3.96, network-soup.c does not enable TLS certificate verification on the SoupSessionSync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: this is similar to CVE-2016-20011.","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":0.00555,"percentile":0.46778,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2021-08-22T18:46:17Z","modified":"2026-08-27T23:04:09Z","affected":[{"source":"osv","ecosystem":"Debian:11","package":"evolution-rss","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.3.96-2","0.3.96-3","0.3.96-4"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"evolution-rss","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.3.95-2","0.3.95-4build1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"evolution-rss","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.3.95-7build1","0.3.95-8","0.3.95-8build1","0.3.95-8build2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"evolution-rss","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.3.95-10build1","0.3.95-11","0.3.95-11ubuntu1","0.3.95-12","0.3.96-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"evolution-rss","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.3.96-3","0.3.96-4","0.3.96-4build1","0.3.96-4build2"]}],"products":[{"vendor":"gnome","product":"evolution-rss"}],"references":[{"url":"https://blogs.gnome.org/mcatanzaro/2021/05/25/reminder-soupsessionsync-and-soupsessionasync-default-to-no-tls-certificate-verification/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://gitlab.gnome.org/GNOME/evolution-rss/-/issues/11","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39361"},{"url":"https://github.com/advisories/GHSA-hcvp-gmj3-5g5v"},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-39361","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-39361","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-39361","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-39361","description":"In GNOME evolution-rss through 0.3.96, network-soup.c does not enable TLS certificate verification on the SoupSessionSync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: this is similar to CVE-2016-20011.","status":"published","published":"2021-08-22T18:46:17Z","modified":"2024-08-04T02:06:42.462Z","updated_at":"2026-11-02T14:33:09.540052Z"}],"euvd":[{"id":"EUVD-2021-25722","description":"In GNOME evolution-rss through 0.3.96, network-soup.c does not enable TLS certificate verification on the SoupSessionSync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: this is similar to CVE-2016-20011.","status":"published","published":"2021-08-22T18:46:17Z","modified":"2024-08-04T02:06:42Z","updated_at":"2026-11-03T03:24:23.719378Z"}],"ghsa":[{"id":"GHSA-hcvp-gmj3-5g5v","title":"In GNOME evolution-rss through 0.3.96, network-soup.c does not enable TLS certificate...","description":"In GNOME evolution-rss through 0.3.96, network-soup.c does not enable TLS certificate verification on the SoupSessionSync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: this is similar to CVE-2016-20011.","status":"published","published":"2022-05-24T19:11:51Z","modified":"2023-01-30T05:01:37Z","cwes":["CWE-295"],"updated_at":"2026-11-02T14:46:26.905827Z"}],"nvd":[{"id":"CVE-2021-39361","description":"In GNOME evolution-rss through 0.3.96, network-soup.c does not enable TLS certificate verification on the SoupSessionSync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: this is similar to CVE-2016-20011.","status":"published","published":"2021-08-22T19:15:07.25Z","modified":"2026-06-17T04:03:37.57Z","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":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:06:57.318236Z"}],"osv":[{"id":"CVE-2021-39361","description":"In GNOME evolution-rss through 0.3.96, network-soup.c does not enable TLS certificate verification on the SoupSessionSync objects it creates, leaving users vulnerable to network MITM attacks. 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NOTE: this is similar to CVE-2016-20011.","status":"published","published":"2021-08-22T19:15:07.25Z","modified":"2026-08-27T23:04:09.315645792Z","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":"2026-11-02T15:45:35.521549Z"},{"id":"UBUNTU-CVE-2021-39361","description":"In GNOME evolution-rss through 0.3.96, network-soup.c does not enable TLS certificate verification on the SoupSessionSync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: this is similar to CVE-2016-20011.","status":"published","published":"2021-08-22T19:15:00Z","modified":"2025-10-24T04:50:29Z","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":"2026-11-02T15:54:28.526929Z"}]}}