Critical severity · published Jun 22, 2023
CVE-2023-34939
Onlyoffice Community Server before v12.5.2 was discovered to contain a remote code execution (RCE) vulnerability via the component UploadProgress.ashx
9.8
CVSS
5%
EPSS
No
On KEV
Description
Onlyoffice Community Server before v12.5.2 was discovered to contain a remote code execution (RCE) vulnerability via the component UploadProgress.ashx.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.0% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ON
Onlyoffice · Onlyoffice
before 12.5.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-34939
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-34939
Release Notes
https://github.com/ONLYOFFICE/CommunityServer/blob/master/CHANGELOG.md#version-1252
Exploit
https://github.com/firsov/onlyoffice
Exploit
https://github.com/firsov/onlyoffice/blob/main/CVE-2023-34939-PoC.md
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