CVE-2025-34299
CRITICALCVSS v3
9.8
CRITICAL
EPSS Score
55.9%
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
- CVSS v3 Vector
- 3.1
- Published
- 11/7/2025
- Last Modified
- 12/10/2025
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 55.9%, 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), with vector string 3.1.
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.