{"id":"CVE-2020-11535","details":"An issue was discovered in ONLYOFFICE Document Server 5.5.0. An attacker can craft a malicious .docx file, and exploit XML injection to enter an attacker-controlled parameter into the x2t binary, to rewrite this binary and/or libxcb.so.1, and execute code on a victim's server.","modified":"2026-07-08T20:58:18.793871Z","published":"2020-04-15T15:15:19.683Z","references":[{"type":"ADVISORY","url":"https://gist.github.com/andrewaeva/beb92d3d2f1c5672dbda5050e323f6a0"},{"type":"ADVISORY","url":"https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#551"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/onlyoffice/documentserver","events":[{"introduced":"d93c9b34667f5ed750309997bd84e9cde5cff213"},{"last_affected":"d93c9b34667f5ed750309997bd84e9cde5cff213"}],"database_specific":{"cpe":"cpe:2.3:a:onlyoffice:document_server:5.5.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"5.5.0"},{"last_affected":"5.5.0"}],"source":"CPE_STRING"}}],"versions":["5.5.0","ONLYOFFICE-DocumentServer-5.5.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-11535.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}