CVE-2021-26726: Remote code execution in Valmet DNA before Collection 2021

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-02-16 · updated 2026-06-17
Weakness: CWE-78

Description

A remote code execution vulnerability affecting a Valmet DNA service listening on TCP port 1517, allows an attacker to execute commands with SYSTEM privileges This issue affects: Valmet DNA versions from Collection 2012 until Collection 2021.

Affected products

Valmet DNA Web Tools: from 2012 through 2021

References

https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26726/
https://www.valmet.com/about-us/research-and-development/vulnerabilityadvisories/
https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26726/
https://www.valmet.com/about-us/research-and-development/vulnerabilityadvisories/

Get alerted when CVE-2021-26726 or the next vulnerability affects your stack