CVE-2025-27020

Critical · 9.8

CVSS

9.8

EPSS

0.5%

Published

Dec 8, 2025

CISA due date

—

The record

Improper configuration of the SSH service in Infinera MTC-9 allows an unauthenticated attacker to execute arbitrary commands and access data on file system . This issue affects MTC-9: from R22.1.1.0275 before R23.0.

Affected packages

Ecosystem	Package	Introduced	Fixed