CVE-2023-34939

CRITICAL
Published Jun 22, 20233y ago · Modified Jun 17, 20261w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Jun 22, 2023 3y ago
Last Modified Jun 17, 2026 1w ago

Description

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

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-22 Path Traversal Resource Mgmt

Affected Products 1

VendorProductVersionRange
onlyofficeonlyoffice* <12.5.2

References 3

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.