Main Vulnerability Database Vulnerabilities #VU115210

Arbitrary file upload in SS1 and SS1 Cloud - CVE-2025-53970

Published: September 15, 2025

Vulnerability identifier: #VU115210

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:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-53970

CWE-ID: CWE-434

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload. A remote attacker can upload a malicious file and execute it on the server.

Affected software

SS1
SS1 Cloud

How to mitigate CVE-2025-53970

Install updates from vendor's website.

External References

https://jvn.jp/en/jp/JVN99577552/
https://www.dos-osaka.co.jp/news/2025/08/250827.html

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