Server-Side Request Forgery (SSRF) in Monsta FTP - CVE-2025-34299
Published: December 1, 2025
Vulnerability identifier: #VU118861
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2025-34299
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
Affected software
Monsta FTP
How to mitigate CVE-2025-34299
Install updates from vendor's website.
Monsta FTP - update to 2.11.3