#VU115212 Path traversal in SS1 and SS1 Cloud - CVE-2025-54819

Vulnerability identifier: #VU115212

Vulnerability risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-54819

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SS1
Server applications / Remote management servers, RDP, SSH
SS1 Cloud
Server applications / Database software

Vendor: DOS Co

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote user can send a specially crafted HTTP request and overwrite arbitrary files on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SS1: - - 16.0.0.10

SS1 Cloud: - - 2.1.3

---

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

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.