CRITICAL

CVE-2023-34939

CVSS v3

9.8

CRITICAL

EPSS Score

12.4%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

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

Technical details

Published
6/22/2023

Frequently asked questions

What is 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.

Is CVE-2023-34939 actively exploited?

Active exploitation of CVE-2023-34939 has not been confirmed. The EPSS score is 12.4%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-34939?

CVE-2023-34939 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2023-34939 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.