XML Injection Vulnerability in ONLYOFFICE Document Server
CVE-2020-11535

9.8CRITICAL

Key Information:

Vendor

Onlyoffice

Status
Document Server
Vendor
CVE Published:
15 April 2020

What is CVE-2020-11535?

A vulnerability in ONLYOFFICE Document Server version 5.5.0 allows attackers to exploit a crafted .docx file through XML injection. This can lead to the execution of arbitrary code on the victim's server by manipulating parameters within the x2t binary, along with potential modifications to libxcb.so.1. Users are urged to review their systems for this flaw and apply necessary patches to mitigate potential security risks.

References

https://github.com/ONLYOFFICE/DocumentServer/blob/master/...
x_refsource_MISC
https://gist.github.com/andrewaeva/beb92d3d2f1c5672dbda50...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2020-11535 : XML Injection Vulnerability in ONLYOFFICE Document Server