9.8
CRITICAL
CVE-2023-34939
Onlyoffice Community Server RCE Vulnerability
Description

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

INFO

Published Date :

June 22, 2023, 12:15 p.m.

Last Modified :

June 28, 2023, 4:40 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2023-34939 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2023-34939 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Onlyoffice onlyoffice
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-34939.

URL Resource
https://github.com/ONLYOFFICE/CommunityServer/blob/master/CHANGELOG.md#version-1252 Release Notes
https://github.com/firsov/onlyoffice Exploit
https://github.com/firsov/onlyoffice/blob/main/CVE-2023-34939-PoC.md Exploit Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

CVE's for onlyoffice

Updated: 3 months, 2 weeks ago
10 stars 2 fork 2 watcher
Born at : June 6, 2023, 3:25 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-34939 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-34939 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jun. 28, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/firsov/onlyoffice No Types Assigned https://github.com/firsov/onlyoffice Exploit
    Changed Reference Type https://github.com/firsov/onlyoffice/blob/main/CVE-2023-34939-PoC.md No Types Assigned https://github.com/firsov/onlyoffice/blob/main/CVE-2023-34939-PoC.md Exploit, Third Party Advisory
    Changed Reference Type https://github.com/ONLYOFFICE/CommunityServer/blob/master/CHANGELOG.md#version-1252 No Types Assigned https://github.com/ONLYOFFICE/CommunityServer/blob/master/CHANGELOG.md#version-1252 Release Notes
    Added CWE NIST CWE-22
    Added CPE Configuration OR *cpe:2.3:a:onlyoffice:onlyoffice:*:*:*:*:community_server:*:*:* versions up to (excluding) 12.5.2
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-34939 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.85 }} 0.12%

score

0.88497

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability