CVE-2020-11535
CRITICALONLYOFFICE Document Server 5.5.0 - Code Injection
Title source: llmDescription
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.
References (2)
Core 2
Core References
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#551
Third Party Advisory x_refsource_misc
https://gist.github.com/andrewaeva/beb92d3d2f1c5672dbda5050e323f6a0
Scores
CVSS v3
9.8
EPSS
0.0232
EPSS Percentile
81.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-91
Status
published
Products (1)
onlyoffice/document_server
5.5.0
Published
Apr 15, 2020
Tracked Since
Feb 18, 2026