Vulnerability · Published Dec 8, 2025 · Assigned by ENISA

CVE-2025-27020Improper configuration of SSH service in Infinera MTC-9

Critical 9.8

In plain English

A critical-severity missing authentication in MTC-9 from Infinera. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.5%top 56.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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 products (as reported)

VendorProductVersions
Infinera MTC-9 R22.1.1.0275 – before R23.0

Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References