{"id":"CVE-2020-1768","aliases":["EUVD-2020-12594","GHSA-chcp-v68p-g2px","UBUNTU-CVE-2020-1768"],"status":"published","title":"External Interface does not invalidate session","description":"The external frontend system uses numerous background calls to the backend. Each background request is treated as user activity so the SessionMaxIdleTime will not be reached. This issue affects: OTRS 7.0.x version 7.0.14 and prior versions.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.008,"percentile":0.57014,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-613"],"published":"2020-02-07T15:42:29Z","modified":"2026-06-17T03:02:21Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"otrs2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.0.10-1","5.0.1-1","5.0.1-2","5.0.2-1","5.0.3-1","5.0.5-1","5.0.6-1","5.0.7-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"otrs2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.0.23-1","5.0.24-1","6.0.1-1","6.0.2-1","6.0.3-1","6.0.4-1","6.0.5-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"otrs2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.0.20-1","6.0.23-2","6.0.24-1","6.0.25-1","6.0.25-2","6.0.25-3","6.0.26-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"otrs2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.0.32-6","6.1.2-1","6.2.1-1","6.2.2-2"]}],"products":[{"vendor":"otrs","product":"otrs"},{"vendor":"otrs ag","product":"otrs"}],"references":[{"url":"https://otrs.com/release-notes/otrs-security-advisory-2020-04/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1768"},{"url":"https://github.com/advisories/GHSA-chcp-v68p-g2px"},{"url":"https://ubuntu.com/security/CVE-2020-1768","tags":["report"]},{"url":"https://community.otrs.com/security-advisory-2020-04/","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-1768","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-1768","title":"External Interface does not invalidate session","description":"The external frontend system uses numerous background calls to the backend. Each background request is treated as user activity so the SessionMaxIdleTime will not be reached. This issue affects: OTRS 7.0.x version 7.0.14 and prior versions.","status":"published","published":"2020-02-07T15:42:29.087Z","modified":"2024-09-16T19:09:28.404Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-613"],"updated_at":"2026-11-02T14:35:56.638833Z"}],"euvd":[{"id":"EUVD-2020-12594","description":"The external frontend system uses numerous background calls to the backend. Each background request is treated as user activity so the SessionMaxIdleTime will not be reached. This issue affects: OTRS 7.0.x version 7.0.14 and prior versions.","status":"published","published":"2020-02-07T15:42:29Z","modified":"2024-09-16T19:09:28Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T00:55:25.778976Z"}],"ghsa":[{"id":"GHSA-chcp-v68p-g2px","title":"The external frontend system uses numerous background calls to the backend. Each background...","description":"The external frontend system uses numerous background calls to the backend. Each background request is treated as user activity so the SessionMaxIdleTime will not be reached. This issue affects: OTRS 7.0.x version 7.0.14 and prior versions.","status":"published","published":"2022-05-24T17:08:14Z","modified":"2023-01-29T05:01:28Z","updated_at":"2026-11-02T14:44:49.860954Z"}],"nvd":[{"id":"CVE-2020-1768","description":"The external frontend system uses numerous background calls to the backend. Each background request is treated as user activity so the SessionMaxIdleTime will not be reached. This issue affects: OTRS 7.0.x version 7.0.14 and prior versions.","status":"published","published":"2020-02-07T16:15:11.113Z","modified":"2026-06-17T03:02:21.853Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":5.5,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-613"],"updated_at":"2026-11-02T14:05:53.837808Z"}],"osv":[{"id":"UBUNTU-CVE-2020-1768","description":"The external frontend system uses numerous background calls to the backend. Each background request is treated as user activity so the SessionMaxIdleTime will not be reached. This issue affects: OTRS 7.0.x version 7.0.14 and prior versions.","status":"published","published":"2020-02-07T16:15:00Z","modified":"2025-10-24T04:48:15Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:54:23.344108Z"}]}}