CVE-2025-13914: Apstra: SSH host key validation vulnerability for managed devices
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Juniper Networks Apstrato a version that resolves this vulnerability.Fixed in 6.1.1
Event History
Frequently Asked Questions
What is the severity of CVE-2025-13914?
CVE-2025-13914 is classified as a critical vulnerability due to its potential for unauthenticated man-in-the-middle attacks.
How do I fix CVE-2025-13914?
To resolve CVE-2025-13914, upgrade Juniper Networks Apstra to version 6.1.2 or later to ensure proper SSH host key validation.
Who is affected by CVE-2025-13914?
CVE-2025-13914 affects users of Juniper Networks Apstra versions up to and including 6.1.1.
What type of attack can exploit CVE-2025-13914?
CVE-2025-13914 can be exploited through a man-in-the-middle (MITM) attack where an attacker impersonates managed devices.
What does insufficient SSH host key validation mean in CVE-2025-13914?
Insufficient SSH host key validation in CVE-2025-13914 means that the system does not properly verify the identity of SSH hosts, allowing for possible impersonation.