CVE-2020-11534

CRITICAL

ONLYOFFICE Document Server 5.5.0 - Remote Code Execution via NSFileDownloader Function

Title source: llm
STIX 2.1

Description

An issue was discovered in ONLYOFFICE Document Server 5.5.0. An attacker can craft a malicious .docx file, and exploit the NSFileDownloader function to pass parameters to a binary (such as curl or wget) and remotely execute code on a victim's server.

References (2)

Core 2

Scores

CVSS v3 9.8
EPSS 0.0224
EPSS Percentile 80.6%
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-20
Status published
Products (1)
onlyoffice/document_server 5.5.0
Published Apr 15, 2020
Tracked Since Feb 18, 2026