CVE-2025-27020 — CRITICAL (9.8)

Q: How severe is CVE-2025-27020?

CVE-2025-27020 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2025-27020?

Check the references section above for vendor advisories and patch information. Affected products include: Nokia Infinera Mtc-9 Firmware, Nokia Infinera Mtc-9.

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Nokia	Infinera Mtc-9 Firmware	>= 22.1.1.0275, < 23.0
Nokia	Infinera Mtc-9	-

Related Weaknesses (CWE)

CWE-306

References

https://www.cvcn.gov.it/cvcn/cve/CVE-2025-27020Third Party Advisory

FAQ

What is CVE-2025-27020?

CVE-2025-27020 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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....

How severe is CVE-2025-27020?

CVE-2025-27020 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-27020?

Check the references section above for vendor advisories and patch information. Affected products include: Nokia Infinera Mtc-9 Firmware, Nokia Infinera Mtc-9.