Valmet DNA web server arbitrary file read access

CVE-2025-15577

Summary An unauthenticated attacker can exploit this vulnerability by manipulating URL to achieve arbitrary file read access.
Impact Attackers who can access web server could achieve arbitrary file read access.
Issue date February 11, 2026
Affects Valmet DNA Engineering Web Tools C2022 and older.
CVE Name https://nvd.nist.gov/vuln/detail/CVE-2025-15577
CVS Details CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:P/S:N/AU:Y/V:D/RE:M/U:Green
CVSS Score 8.7
Solution The solution is available from Valmet Automation Customer Service.
Mitigations A properly configured firewall helps to prevent unauthorized access from untrusted networks to the system.
Acknowledgements -