CVE-2025-34299

CRITICAL

CVSS v3

9.8

CRITICAL

EPSS Score

57.4%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

Monsta FTP versions 2.11 and earlier contain a vulnerability that allows unauthenticated arbitrary file uploads. This flaw enables attackers to execute arbitrary code by uploading a specially crafted file from a malicious (S)FTP server.

Technical Details

Published
11/7/2025

Frequently Asked Questions

What is CVE-2025-34299?

Monsta FTP versions 2.11 and earlier contain a vulnerability that allows unauthenticated arbitrary file uploads. This flaw enables attackers to execute arbitrary code by uploading a specially crafted file from a malicious (S)FTP server.

Is CVE-2025-34299 actively exploited?

Active exploitation of CVE-2025-34299 has not been confirmed. The EPSS score is 57.4%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-34299?

CVE-2025-34299 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2025-34299 affecting your environment?

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