Vulnerability Description
Onlyoffice Community Server before v12.5.2 was discovered to contain a remote code execution (RCE) vulnerability via the component UploadProgress.ashx.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Onlyoffice | Onlyoffice | < 12.5.2 |
Related Weaknesses (CWE)
References
- https://github.com/ONLYOFFICE/CommunityServer/blob/master/CHANGELOG.md#version-1Release Notes
- https://github.com/firsov/onlyofficeExploit
- https://github.com/firsov/onlyoffice/blob/main/CVE-2023-34939-PoC.mdExploitThird Party Advisory
- https://github.com/ONLYOFFICE/CommunityServer/blob/master/CHANGELOG.md#version-1Release Notes
- https://github.com/firsov/onlyofficeExploit
- https://github.com/firsov/onlyoffice/blob/main/CVE-2023-34939-PoC.mdExploitThird Party Advisory
FAQ
What is CVE-2023-34939?
CVE-2023-34939 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Onlyoffice Community Server before v12.5.2 was discovered to contain a remote code execution (RCE) vulnerability via the component UploadProgress.ashx.
How severe is CVE-2023-34939?
CVE-2023-34939 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2023-34939?
Check the references section above for vendor advisories and patch information. Affected products include: Onlyoffice Onlyoffice.