CVE-2025-34299
CVSS v3
9.8
CRITICAL
EPSS Score
72.9 %
exploit probability, as of 2026-10-04
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
- 2025-11-07
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. Its EPSS score was 72.9% on 2026-10-04, 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?
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