{"id":"CVE-2018-10847","aliases":["DEBIAN-CVE-2018-10847","DSA-4216-1","EUVD-2018-2916","GHSA-r7gq-256h-j4mq","UBUNTU-CVE-2018-10847","USN-4834-1"],"status":"published","title":"prosody before versions 0.10.2, 0.9.14 is vulnerable to an Authentication Bypass. Prosody did not...","description":"prosody before versions 0.10.2, 0.9.14 is vulnerable to an Authentication Bypass. Prosody did not verify that the virtual host associated with a user session remained the same across stream restarts. A user may authenticate to XMPP host A and migrate their authenticated session to XMPP host B of the same Prosody instance.","severity":{"version":"3.0","score":4.2,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.01592,"percentile":0.75854,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287","CWE-592"],"published":"2018-06-02T00:00:00Z","modified":"2026-10-23T18:02:56Z","fixes":[{"ecosystem":"Debian:12","package":"prosody","fixed_in":["0.10.2-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"prosody","fixed_in":["0.10.2-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"prosody","fixed_in":["0.10.2-1"],"sources":["osv"]},{"ecosystem":"Debian:8","package":"prosody","fixed_in":["0.9.7-2+deb8u4"],"sources":["osv"]},{"ecosystem":"Debian:9","package":"prosody","fixed_in":["0.9.12-2+deb9u2"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:18.04:LTS","package":"prosody","fixed_in":["0.10.0-1ubuntu0.1~esm1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.10.2-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.10.2-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.10.2-1"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.7-2+deb8u4"}]}],"versions":["0.9.7-2","0.9.7-2+deb8u1","0.9.7-2+deb8u2","0.9.7-2+deb8u3"]},{"source":"osv","ecosystem":"Debian:9","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.12-2+deb9u2"}]}],"versions":["0.9.12-2","0.9.12-2+deb9u1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.8-1","0.9.9-1","0.9.10-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.10.0-1ubuntu0.1~esm1"}]}],"versions":["0.9.12-2","0.10.0-1","0.10.0-1build1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"prosody","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.10.0-1ubuntu0.1~esm1"}]}],"versions":["0.9.12-2","0.10.0-1","0.10.0-1build1"]}],"products":[{"vendor":"[unknown]","product":"prosody"},{"vendor":"prosody","product":"prosody"}],"references":[{"url":"https://issues.prosody.im/1147","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://blog.prosody.im/prosody-0-10-2-security-release/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://www.debian.org/security/2018/dsa-4216","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10847","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Third Party Advisory","report"]},{"url":"https://prosody.im/security/advisory_20180531/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-10847"},{"url":"https://github.com/advisories/GHSA-r7gq-256h-j4mq"},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-10847","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-10847","tags":["report"]},{"url":"https://prosody.im/security/advisory_20180531/issue1147-0.10.1.patch","tags":["report"]},{"url":"https://prosody.im/security/advisory_20180531/issue1147-0.9.patch","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-4834-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-10847","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-10847","description":"prosody before versions 0.10.2, 0.9.14 is vulnerable to an Authentication Bypass. Prosody did not verify that the virtual host associated with a user session remained the same across stream restarts. A user may authenticate to XMPP host A and migrate their authenticated session to XMPP host B of the same Prosody instance.","status":"published","published":"2018-07-30T16:00:00Z","modified":"2024-08-05T07:46:47.419Z","cvss":[{"version":"3.0","score":4.2,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-592"],"updated_at":"2026-11-02T14:35:01.619448Z"}],"euvd":[{"id":"EUVD-2018-2916","description":"prosody before versions 0.10.2, 0.9.14 is vulnerable to an Authentication Bypass. Prosody did not verify that the virtual host associated with a user session remained the same across stream restarts. A user may authenticate to XMPP host A and migrate their authenticated session to XMPP host B of the same Prosody instance.","status":"published","published":"2018-07-30T16:00:00Z","modified":"2024-08-05T07:46:47Z","cvss":[{"version":"3.0","score":4.2,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T02:39:57.544825Z"}],"ghsa":[{"id":"GHSA-r7gq-256h-j4mq","title":"prosody before versions 0.10.2, 0.9.14 is vulnerable to an Authentication Bypass. Prosody did not...","description":"prosody before versions 0.10.2, 0.9.14 is vulnerable to an Authentication Bypass. Prosody did not verify that the virtual host associated with a user session remained the same across stream restarts. A user may authenticate to XMPP host A and migrate their authenticated session to XMPP host B of the same Prosody instance.","status":"published","published":"2022-05-13T01:34:58Z","modified":"2023-02-01T05:08:48Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:50:51.621418Z"}],"nvd":[{"id":"CVE-2018-10847","description":"prosody before versions 0.10.2, 0.9.14 is vulnerable to an Authentication Bypass. Prosody did not verify that the virtual host associated with a user session remained the same across stream restarts. A user may authenticate to XMPP host A and migrate their authenticated session to XMPP host B of the same Prosody instance.","status":"published","published":"2018-07-30T17:29:00.147Z","modified":"2026-06-17T01:34:45.363Z","cvss":[{"version":"3.0","score":4.2,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-592","CWE-287"],"updated_at":"2026-11-02T14:04:35.310988Z"}],"osv":[{"id":"CVE-2018-10847","description":"prosody before versions 0.10.2, 0.9.14 is vulnerable to an Authentication Bypass. Prosody did not verify that the virtual host associated with a user session remained the same across stream restarts. A user may authenticate to XMPP host A and migrate their authenticated session to XMPP host B of the same Prosody instance.","status":"published","published":"2018-07-30T17:29:00.147Z","modified":"2026-03-15T22:17:08.411957Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:07.641418Z"},{"id":"DEBIAN-CVE-2018-10847","description":"prosody before versions 0.10.2, 0.9.14 is vulnerable to an Authentication Bypass. Prosody did not verify that the virtual host associated with a user session remained the same across stream restarts. A user may authenticate to XMPP host A and migrate their authenticated session to XMPP host B of the same Prosody instance.","status":"published","published":"2018-07-30T17:29:00.147Z","modified":"2026-10-23T18:02:56.993273806Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:29.988046Z"},{"id":"UBUNTU-CVE-2018-10847","description":"prosody before versions 0.10.2, 0.9.14 is vulnerable to an Authentication Bypass. Prosody did not verify that the virtual host associated with a user session remained the same across stream restarts. A user may authenticate to XMPP host A and migrate their authenticated session to XMPP host B of the same Prosody instance.","status":"published","published":"2018-07-30T17:29:00Z","modified":"2026-02-04T04:04:16.576587Z","cvss":[{"version":"3.0","score":4.2,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"},{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:16.544091Z"},{"id":"DSA-4216-1","title":"prosody - security update","status":"published","published":"2018-06-02T00:00:00Z","modified":"2026-03-09T01:22:18.131607Z","updated_at":"2026-11-02T15:46:16.862196Z"},{"id":"USN-4834-1","title":"prosody vulnerability","description":"It was discovered that Prosody incorrectly validated the virtual host\nassociated with a user session across stream restarts. A remote attacker \ncould use this issue to gain unintended access to resources.\n","status":"published","published":"2021-03-15T22:17:53Z","modified":"2026-04-27T15:49:18.089938Z","updated_at":"2026-11-02T16:58:15.159055Z"}]}}