{"id":"CVE-2020-11536","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-11536","generatedAt":"2026-10-27T22:33:24.891Z","title":"An attacker can craft a malicious .docx file, and exploit the unzip function to rewrite a binary and remotely execute code on a victim's server.","description":"An issue was discovered in ONLYOFFICE Document Server 5.5.0. An attacker can craft a malicious .docx file, and exploit the unzip function to rewrite a binary and remotely execute code on a victim's server.","published":"2020-04-15T15:15:20.000Z","lastModified":"2026-06-17T02:50:22.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-20"],"affected":["onlyoffice/document server"],"epss":{"score":0.02586,"percentile":0.85141,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.59%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://gist.github.com/andrewaeva/beb92d3d2f1c5672dbda5050e323f6a0","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#551","tags":["Release Notes","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://gist.github.com/andrewaeva/beb92d3d2f1c5672dbda5050e323f6a0","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#551","tags":["Release Notes","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-11536","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}