CVE-2025-13914 HIGH

CVE-2025-13914: Apstra: SSH host key validation vulnerability for managed devices

Vendor Juniper Networks
Product Apstra
Weakness CWE-322
Published April 9, 2026
Last update April 14, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

A Key Exchange without Entity Authentication vulnerability in the SSH implementation of Juniper Networks Apstra allows a unauthenticated, MITM attacker to impersonate managed devices. Due to insufficient SSH host key validation an attacker can perform a machine-in-the-middle attack on the SSH connections from Apstra to managed devices, enabling an attacker to impersonate a managed device and capture user credentials. This issue affects all versions of Apstra before 6.1.1.

Key dates

02Disclosure timeline

April 9, 2026 CVE published
April 14, 2026 Record updated