{"id":"CVE-2020-15277","aliases":["EUVD-2020-1415","GHSA-6fmv-q269-55cw"],"status":"published","title":"Remote Code Execution in baserCMS","description":"baserCMS before version 4.4.1 is affected by Remote Code Execution (RCE). Code may be executed by logging in as a system administrator and uploading an executable script file such as a PHP file. The Edit template component is vulnerable. The issue is fixed in version 4.4.1.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.02311,"percentile":0.83637,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-434","CWE-74"],"published":"2020-10-30T17:05:59Z","modified":"2026-10-20T10:51:54Z","fixes":[{"ecosystem":"Packagist","package":"baserproject/basercms","fixed_in":["4.4.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"baserproject/basercms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0"},{"fixed":"4.4.1"}]}]},{"source":"osv","ecosystem":"Packagist","package":"baserproject/basercms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0"},{"fixed":"4.4.1"}]}],"versions":["4.4.0"]}],"products":[{"vendor":"basercms","product":"basercms"},{"vendor":"baserproject","product":"basercms"}],"references":[{"url":"https://github.com/baserproject/basercms/security/advisories/GHSA-6fmv-q269-55cw","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://basercms.net/security/20201029","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://github.com/baserproject/basercms/commit/bb027c3967b0430adcff2d2fedbc23d39077563b","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15277","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6fmv-q269-55cw"}],"sources":{"cve":[{"id":"CVE-2020-15277","title":"Remote Code Execution in baserCMS","description":"baserCMS before version 4.4.1 is affected by Remote Code Execution (RCE). Code may be executed by logging in as a system administrator and uploading an executable script file such as a PHP file. The Edit template component is vulnerable. The issue is fixed in version 4.4.1.","status":"published","published":"2020-10-30T17:30:16Z","modified":"2024-08-04T13:15:19.021Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:35:49.879248Z"}],"euvd":[{"id":"EUVD-2020-1415","description":"baserCMS before version 4.4.1 is affected by Remote Code Execution (RCE). Code may be executed by logging in as a system administrator and uploading an executable script file such as a PHP file. The Edit template component is vulnerable. The issue is fixed in version 4.4.1.","status":"published","published":"2020-10-30T17:30:16Z","modified":"2024-08-04T13:15:19Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:07:31.955969Z"}],"ghsa":[{"id":"GHSA-6fmv-q269-55cw","title":"Edit template, Remote Code Execution (RCE) Vulnerability in Latest Release 4.4.0","description":"baserCMS 4.4.0 and earlier is affected by Remote Code Execution (RCE).\n\nImpact: XSS via Arbitrary script execution.\nAttack vector is: Administrator must be logged in.\nComponents are: Edit template.\nTested baserCMS Version : 4.4.0 (Latest)\nAffected baserCMS Version : 4.0.0 ~ 4.4.0\nPatches : https://basercms.net/security/20201029\nFound by Aquilao Null","status":"published","published":"2020-10-30T17:05:59Z","modified":"2023-01-09T05:04:15Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-74","CWE-434"],"updated_at":"2026-11-02T14:36:09.554044Z"}],"nvd":[{"id":"CVE-2020-15277","description":"baserCMS before version 4.4.1 is affected by Remote Code Execution (RCE). Code may be executed by logging in as a system administrator and uploading an executable script file such as a PHP file. The Edit template component is vulnerable. The issue is fixed in version 4.4.1.","status":"published","published":"2020-10-30T18:15:12.357Z","modified":"2026-06-17T02:56:24.707Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/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-434"],"updated_at":"2026-11-02T14:06:21.80969Z"}],"osv":[{"id":"CVE-2020-15277","description":"baserCMS before version 4.4.1 is affected by Remote Code Execution (RCE). Code may be executed by logging in as a system administrator and uploading an executable script file such as a PHP file. The Edit template component is vulnerable. The issue is fixed in version 4.4.1.","status":"published","published":"2020-10-30T18:15:12.357Z","modified":"2026-10-20T10:51:54.271793347Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:14.828228Z"},{"id":"GHSA-6fmv-q269-55cw","title":"Edit template, Remote Code Execution (RCE) Vulnerability in Latest Release 4.4.0","description":"baserCMS 4.4.0 and earlier is affected by Remote Code Execution (RCE).\n\nImpact: XSS via Arbitrary script execution.\nAttack vector is: Administrator must be logged in.\nComponents are: Edit template.\nTested baserCMS Version : 4.4.0 (Latest)\nAffected baserCMS Version : 4.0.0 ~ 4.4.0\nPatches : https://basercms.net/security/20201029\nFound by Aquilao Null","status":"published","published":"2020-10-30T17:05:59Z","modified":"2026-07-08T06:00:35.427512075Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-434","CWE-74"],"updated_at":"2026-11-02T15:46:39.618611Z"}]}}