{"id":"CVE-2020-5295","aliases":["GHSA-r23f-c2j5-rx2f"],"url":"https://o3.security/vulnerability/CVE-2020-5295","summary":"Local File read vulnerability in OctoberCMS","details":"### Impact\nAn attacker can exploit this vulnerability to read local files of an October CMS server. The vulnerability is only exploitable by an authenticated backend user with the `cms.manage_assets` permission.\n\n### Patches\nIssue has been patched in Build 466 (v1.0.466).\n\n### Workarounds\nApply https://github.com/octobercms/october/commit/2b8939cc8b5b6fe81e093fe2c9f883ada4e3c8cc to your installation manually if unable to upgrade to Build 466.\n\n### References\nReported by [Sivanesh Ashok](https://stazot.com/)\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Email us at [hello@octobercms.com](mailto:hello@octobercms.com)\n\n### Threat assessment:\n<img width=\"1108\" alt=\"Screen Shot 2020-03-31 at 2 37 53 PM\" src=\"https://user-images.githubusercontent.com/7253840/78072989-44b3ac80-735d-11ea-8676-09c69f0409c4.png\">","published":"2020-06-03T22:15:11.583Z","modified":"2026-08-07T15:13:40.882480Z","cvss":{"score":4.9,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N"},"epss":{"score":0.07371,"percentile":0.93786,"asOf":"2026-07-31"},"cisaKev":null,"exploitsKnown":3,"affectedPackages":[{"ecosystem":"Packagist","name":"october/cms","fixedVersion":"1.0.466"}],"fix":{"url":"https://github.com/octobercms/october/commit/2b8939cc8b5b6fe81e093fe2c9f883ada4e3c8cc","label":"octobercms/october@2b8939c"},"references":[{"type":"FIX","url":"https://github.com/octobercms/october/commit/2b8939cc8b5b6fe81e093fe2c9f883ada4e3c8cc"},{"type":"FIX","url":"https://github.com/octobercms/october/security/advisories/GHSA-r23f-c2j5-rx2f"},{"type":"EVIDENCE","url":"http://packetstormsecurity.com/files/158730/October-CMS-Build-465-XSS-File-Read-File-Deletion-CSV-Injection.html"},{"type":"EVIDENCE","url":"http://seclists.org/fulldisclosure/2020/Aug/2"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5295"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T15:13:40.882480Z"}}