CVE-2025-13914
HIGHDescription
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.
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Exploit Intelligence
Low risk: more likely to be exploited than 22% of all known CVEs.
References
Related Vulnerabilities
Other CWE-322 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2026-1709 | Critical | 9.4 | 5.4% | - | Fix |
| CVE-2022-39249 | High | 7.5 | 1.0% | - | Fix |
| CVE-2022-39250 | High | 8.6 | 1.0% | - | Fix |
| CVE-2022-39251 | High | 8.6 | 0.9% | - | Fix |
| CVE-2022-39255 | High | 8.6 | 0.8% | - | Fix |
| CVE-2022-39257 | High | 7.5 | 0.8% | - | Fix |
Common questions
How do I fix CVE-2025-13914?
Upgrade apstra to 6.1.1 or later.
Is CVE-2025-13914 being actively exploited?
Not that we know of. CVE-2025-13914 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.30% is the estimated probability that it will be exploited in the next 30 days. That is higher than 22% of all scored CVEs.
How severe is CVE-2025-13914?
CVE-2025-13914 has a CVSS v3 base score of 8.7, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2025-13914 affect?
Published advisories record a fix for apstra (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
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Markdown
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-08.