CVE-2020-11536: Input Validation

Published Apr 15, 2020
·
Updated

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.

Affected Software

1 affected component
Onlyoffice Document Server=5.5.0

Event History

Apr 15, 2020
CVE Published
via MITRE·02:56 PM
Data Sourced
via MITRE·02:56 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2020-11536?

CVE-2020-11536 has a high severity rating due to its potential for remote code execution.

2

How do I fix CVE-2020-11536?

To fix CVE-2020-11536, you should upgrade ONLYOFFICE Document Server to the latest version that addresses the vulnerability.

3

What versions of ONLYOFFICE are affected by CVE-2020-11536?

CVE-2020-11536 specifically affects ONLYOFFICE Document Server version 5.5.0.

4

What is the impact of exploiting CVE-2020-11536?

Exploiting CVE-2020-11536 allows an attacker to execute arbitrary code on the victim's server.

5

Can CVE-2020-11536 be exploited via malicious document files?

Yes, CVE-2020-11536 can be exploited by crafting a malicious .docx file that targets the unzip function.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203