CVE-2025-13914 Apstra: SSH host key validation vulnerability for managed devices
An unauthenticated MITM attacker can bypass SSH host key validation to impersonate managed devices and capture user credentials.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-13914?
CVE-2025-13914 is a high-severity vulnerability in Juniper Networks Apstra, published on 9 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-322
Which versions are affected by CVE-2025-13914?
It affects 1 product.
Products include Juniper Apstra.
How do I fix CVE-2025-13914?
No fix has been published for CVE-2025-13914 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-13914 being exploited?
There is no known exploitation of CVE-2025-13914 in the wild and no public exploit code.
Sources
Also known as GHSA-3gg3-cwcp-3cpw.