Remote Code Execution in Onlyoffice Community Server
CVE-2023-34939

9.8CRITICAL

Key Information:

Vendor

Onlyoffice

Status
Onlyoffice
Vendor
CVE Published:
22 June 2023

What is CVE-2023-34939?

A remote code execution vulnerability has been identified in Onlyoffice Community Server versions prior to v12.5.2. This vulnerability resides in the UploadProgress.ashx component, potentially allowing an attacker to execute arbitrary code on the server. It is essential for users to upgrade to the latest version to mitigate the risks associated with this vulnerability, as it can lead to unauthorized access and severe security breaches.

References

https://github.com/firsov/onlyoffice
https://github.com/ONLYOFFICE/CommunityServer/blob/master...
https://github.com/firsov/onlyoffice/blob/main/CVE-2023-3...

EPSS Score

12% chance of being exploited in the next 30 days.

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-2023-34939 : Remote Code Execution in Onlyoffice Community Server