CVE-2023-34939

Critical

Description

Onlyoffice Community Server before v12.5.2 was discovered to contain a remote code execution (RCE) vulnerability via the component UploadProgress.ashx.

SeverityCritical
CVSS9.8
Exploit probability—
ProductOnlyoffice
PublishedJun 22, 2023
First seenJun 22, 2023

How to fix

Update
  • onlyoffice onlyoffice12.5.2 or later

Affected products

ProductAffected versionsFixed in
onlyoffice onlyofficev < 12.5.212.5.2

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

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