{"id":"CVE-2020-8279","aliases":["EUVD-2020-29147","GHSA-7f2c-fj5r-9f75"],"status":"published","title":"Missing validation of server certificates for out-going connections in Nextcloud Social \u003c 0.4.0...","description":"Missing validation of server certificates for out-going connections in Nextcloud Social \u003c 0.4.0 allowed a man-in-the-middle attack.","severity":{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00647,"percentile":0.51341,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2020-11-19T00:32:22Z","modified":"2026-06-17T03:26:11Z","products":[{"vendor":"nextcloud","product":"social"}],"references":[{"url":"https://hackerone.com/reports/915585","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nextcloud.com/security/advisory/?id=NC-SA-2020-043","tags":["x_refsource_CONFIRM","x_transferred","Broken Link","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8279"},{"url":"https://github.com/advisories/GHSA-7f2c-fj5r-9f75"}],"sources":{"cve":[{"id":"CVE-2020-8279","description":"Missing validation of server certificates for out-going connections in Nextcloud Social \u003c 0.4.0 allowed a man-in-the-middle attack.","status":"published","published":"2020-11-19T00:32:22Z","modified":"2024-08-04T09:56:28.267Z","cwes":["CWE-295"],"updated_at":"2026-11-02T14:35:50.545879Z"}],"euvd":[{"id":"EUVD-2020-29147","description":"Missing validation of server certificates for out-going connections in Nextcloud Social \u003c 0.4.0 allowed a man-in-the-middle attack.","status":"published","published":"2020-11-19T00:32:22Z","modified":"2024-08-04T09:56:28Z","updated_at":"2026-11-03T03:07:57.599144Z"}],"ghsa":[{"id":"GHSA-7f2c-fj5r-9f75","title":"Missing validation of server certificates for out-going connections in Nextcloud Social \u003c 0.4.0...","description":"Missing validation of server certificates for out-going connections in Nextcloud Social \u003c 0.4.0 allowed a man-in-the-middle attack.","status":"published","published":"2022-05-24T17:34:46Z","modified":"2023-01-29T05:04:33Z","cwes":["CWE-295"],"updated_at":"2026-11-02T14:45:35.161944Z"}],"nvd":[{"id":"CVE-2020-8279","description":"Missing validation of server certificates for out-going connections in Nextcloud Social \u003c 0.4.0 allowed a man-in-the-middle attack.","status":"published","published":"2020-11-19T01:15:12.953Z","modified":"2026-06-17T03:26:11.06Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:06:25.394006Z"}]}}