{"cve":"CVE-2020-11534","nvd":{"published":"2020-04-15T15:15:19.620","modified":"2026-06-17T02:50:21.567","status":"Modified","description":"An issue was discovered in ONLYOFFICE Document Server 5.5.0. An attacker can craft a malicious .docx file, and exploit the NSFileDownloader function to pass parameters to a binary (such as curl or wget) and remotely execute code on a victim's server.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-20"],"references":["https://gist.github.com/andrewaeva/beb92d3d2f1c5672dbda5050e323f6a0","https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#551","https://gist.github.com/andrewaeva/beb92d3d2f1c5672dbda5050e323f6a0","https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#551"],"products":["onlyoffice:document_server"],"source":"nvd","synced_at":"2026-10-19T21:04:18.695612450+00:00"},"epss":{"cve":"CVE-2020-11534","score":0.02236,"percentile":0.82798,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}