CVEvulnerability
CVE-2020-11535
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2020-04-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-91
Description
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.
Affected configurations
• onlyoffice document server 5.5.0
Related
Weakness · CWE (1)
- CWE-91 XML Injection weakness
References
- https://gist.github.com/andrewaeva/beb92d3d2f1c5672dbda5050e323f6a0 Third Party Advisory
- https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#551 Release Notes, Third Party Advisory
- https://gist.github.com/andrewaeva/beb92d3d2f1c5672dbda5050e323f6a0 Third Party Advisory
- https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#551 Release Notes, Third Party Advisory