CVE-2025-15577 PUBLISHED

Valmet DNA Web server arbitrary file read access

Assigner: NCSC-FI
Reserved: 11.02.2026 Published: 12.02.2026 Updated: 12.02.2026

An unauthenticated attacker can exploit this vulnerability by manipulating URL to achieve arbitrary file read access.This issue affects Valmet DNA Web Tools: C2022 and older.

Metrics

CVSS 4.0

CVSS Vector: 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

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Valmet
Product	Valmet DNA Web Tools
Versions	Default: unaffected affected from 0 to C2022 (incl.)

References

https://www.valmet.com/company/innovation/advisories/CVE-2025-15577/

Problem Types

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') CWE

Impacts

CAPEC-126 Path Traversal