{"id":"CVE-2020-15877","aliases":["EUVD-2021-1961","GHSA-3c33-3465-fhx2"],"status":"published","title":"Exposure of Resource to Wrong Sphere in LibreNMS","description":"An issue was discovered in LibreNMS before 1.65.1. It has insufficient access control for normal users because of \"'guard' =\u003e 'admin'\" instead of \"'middleware' =\u003e ['can:admin']\" in routes/web.php.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01918,"percentile":0.80026,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-668"],"published":"2020-07-21T17:00:16Z","modified":"2026-10-20T10:51:57Z","fixes":[{"ecosystem":"Packagist","package":"librenms/librenms","fixed_in":["1.65.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"librenms/librenms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.65.1"}]}]},{"source":"osv","ecosystem":"Packagist","package":"librenms/librenms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.65.1"}]}],"versions":["1.19","1.20","1.20.1","1.21","1.22","1.22.01","1.23","1.24","1.25","1.26","1.27","1.28","1.29","1.30","1.30.01","1.31","1.31.01","1.31.02","1.31.03","1.32","1.32.01","1.33","1.33.01","1.34","1.35","1.36","1.36.01","1.37","1.38","1.39","1.40","1.41","1.42","1.42.01","1.43","1.44","1.45","1.46","1.47","1.48","1.48.1","1.49","1.50","1.50.1","1.51","1.52","1.53","1.53.1","1.54","1.55","1.56","1.57","1.58","1.58.1","1.59","1.60","1.61","1.62","1.62.1","1.62.2","1.63","1.64","1.64.1","1.65"]}],"products":[{"vendor":"librenms","product":"librenms"}],"references":[{"url":"https://community.librenms.org/c/announcements","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory","advisory","web"]},{"url":"https://github.com/librenms/librenms/compare/1.65...1.65.1","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/librenms/librenms/releases/tag/1.65.1","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory","web"]},{"url":"https://shielder.it/blog","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://github.com/librenms/librenms/pull/11915","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/librenms/librenms/commit/e5bb6d80bc308fc56b9a01ffb76c34159995353c","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15877","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3c33-3465-fhx2"}],"sources":{"cve":[{"id":"CVE-2020-15877","description":"An issue was discovered in LibreNMS before 1.65.1. It has insufficient access control for normal users because of \"'guard' =\u003e 'admin'\" instead of \"'middleware' =\u003e ['can:admin']\" in routes/web.php.","status":"published","published":"2020-07-21T17:00:16Z","modified":"2024-08-04T13:30:23.151Z","updated_at":"2026-11-02T14:35:50.545879Z"}],"euvd":[{"id":"EUVD-2021-1961","description":"An issue was discovered in LibreNMS before 1.65.1. It has insufficient access control for normal users because of \"'guard' =\u003e 'admin'\" instead of \"'middleware' =\u003e ['can:admin']\" in routes/web.php.","status":"published","published":"2020-07-21T17:00:16Z","modified":"2024-08-04T13:30:23Z","updated_at":"2026-11-03T03:07:29.271552Z"}],"ghsa":[{"id":"GHSA-3c33-3465-fhx2","title":"Exposure of Resource to Wrong Sphere in LibreNMS","description":"An issue was discovered in LibreNMS before 1.65.1. It has insufficient access control for normal users because of \"'guard' =\u003e 'admin'\" instead of \"'middleware' =\u003e ['can:admin']\" in routes/web.php.","status":"published","published":"2021-09-08T17:27:16Z","modified":"2023-02-01T05:06:01Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-668"],"updated_at":"2026-11-02T14:36:36.66596Z"}],"nvd":[{"id":"CVE-2020-15877","description":"An issue was discovered in LibreNMS before 1.65.1. It has insufficient access control for normal users because of \"'guard' =\u003e 'admin'\" instead of \"'middleware' =\u003e ['can:admin']\" in routes/web.php.","status":"published","published":"2020-07-21T17:15:12.17Z","modified":"2026-06-17T02:57:20.14Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/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"}],"updated_at":"2026-11-02T14:06:10.086163Z"}],"osv":[{"id":"CVE-2020-15877","description":"An issue was discovered in LibreNMS before 1.65.1. It has insufficient access control for normal users because of \"'guard' =\u003e 'admin'\" instead of \"'middleware' =\u003e ['can:admin']\" in routes/web.php.","status":"published","published":"2020-07-21T17:15:12.17Z","modified":"2026-10-20T10:51:57.301087006Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:14.828228Z"},{"id":"GHSA-3c33-3465-fhx2","title":"Exposure of Resource to Wrong Sphere in LibreNMS","description":"An issue was discovered in LibreNMS before 1.65.1. It has insufficient access control for normal users because of \"'guard' =\u003e 'admin'\" instead of \"'middleware' =\u003e ['can:admin']\" in routes/web.php.","status":"published","published":"2021-09-08T17:27:16Z","modified":"2023-11-08T04:02:38.333967Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-668"],"updated_at":"2026-11-02T15:46:35.406455Z"}]}}