CVE-2021-37439: Nch Flexiserver

Medium severity, CVSS 6.5. EPSS: 1.2% chance of exploitation in the next 30 days.

NCH FlexiServer v6.00 suffers from a syslog?file=/.. path traversal vulnerability.

Affected products

• Nch Flexiserver: up to and including 6.00

Published 2021-07-25. Last modified 2026-06-17.