CVE-2025-34299
9.8
CRITICAL · CVSS 3.1 · EPSS 72.9% (pctl 99)
Patch early
EPSS 72.9% — above the 10% action threshold.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 72.85% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-434 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2025-11-07 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| monstaftp | monsta ftp |
References
→ the Explorer · watch your stack · NVD