Description
Onlyoffice Community Server before v12.5.2 was discovered to contain a remote code execution (RCE) vulnerability via the component UploadProgress.ashx.
References (3)
Core 3
Core References
Exploit, Third Party Advisory
https://github.com/firsov/onlyoffice/blob/main/CVE-2023-34939-PoC.md
Scores
CVSS v3
9.8
EPSS
0.1278
EPSS Percentile
94.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
CWE
CWE-22
Status
published
Products (1)
onlyoffice/onlyoffice
< 12.5.2
Published
Jun 22, 2023
Tracked Since
Feb 18, 2026