Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2025-27019

Severity CVSS v4.0:
Pending analysis
Type:
CWE-306 Missing Authentication for Critical Function
Publication date:
08/12/2025
Last modified:
22/12/2025

Description

Remote shell service (RSH) in Infinera MTC-9 version R22.1.1.0275 allows<br /> an attacker to utilize password-less user accounts and obtain <br /> system access by activating a reverse shell.This issue affects MTC-9: from R22.1.1.0275 before R23.0.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
9.80
Severity 3.x
CRITICAL

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:nokia:infinera_mtc-9_firmware:*:*:*:*:*:*:*:* 22.1.1.0275 (including) 23.0 (excluding)
cpe:2.3:h:nokia:infinera_mtc-9:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools