Summary
Successful exploitation of this vulnerability could allow an unauthenticated attacker to manipulate the web maintenance services URL to achieve arbitrary file read access.
The following versions of Valmet DNA Engineering Web Tools are affected:
- Valmet DNA Engineering Web Tools <=C2022 (CVE-2025-15577)
| CVSS | Vendor | Equipment | Vulnerabilities |
|---|---|---|---|
| v3 8.6 | Valmet | Valmet DNA Engineering Web Tools | Improper Limitation of a Pathname to a Restricted Directory (‘Path Traversal’) |
Background
- Critical Infrastructure Sectors: Critical Manufacturing, Energy
- Countries/Areas Deployed: Worldwide
- Company Headquarters Location: Finland
Vulnerabilities
CVE-2025-15577
An unauthenticated attacker can exploit this vulnerability by manipulating URL to achieve arbitrary file read access.
Affected Products
Valmet DNA Engineering Web Tools
Valmet
Valmet Valmet DNA Engineering Web Tools: <=C2022
known_affected
Remediations
Mitigation
Valmet has issued a fix for the reported vulnerability. Valmet recommends users reach out directly to their automation customer service group to obtain assistance with the fix: https://www.valmet.com/contact/.
For additional information, refer to Valmet’s security advisory regarding this issue: https://www.valmet.com/company/innovation/advisories/CVE-2025-15577/.
Relevant CWE: CWE-22 Improper Limitation of a Pathname to a Restricted Directory (‘Path Traversal’)
Metrics
| CVSS Version | Base Score | Base Severity | Vector String |
|---|---|---|---|
| 3.1 | 8.6 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N |
Acknowledgments
- Denis Samotuga reported this vulnerability to Valmet
Legal Notice and Terms of Use
This product is provided subject to this Notification (https://www.cisa.gov/notification) and this Privacy & Use policy (https://www.cisa.gov/privacy-policy).
Recommended Practices
CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability, such as:
Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet.
Locate control system networks and remote devices behind firewalls and isolating them from business networks.
When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as the connected devices.
CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.
Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B–Target
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