CVE-2025-13914
published 2026-04-09CVE-2025-13914: A Key Exchange without Entity Authentication vulnerability in the SSH implementation of Juniper Networks Apstra allows a unauthenticated, MITM attacker to…
PriorityP261high8.7CVSS 3.1
AVNACHPRNUINSCCHIHAN
EPSS
0.28%
19.8th percentile
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
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| juniper | apstra | — | — |
| juniper_networks | apstra | < 6.1.1 | 6.1.1 |
Detection & IOCsextracted from sources · hover to see the quote
- →Detect missing or disabled SSH host key verification in Apstra-to-device SSH connections; look for SSH sessions where StrictHostKeyChecking is disabled or known_hosts validation is bypassed
- ·All versions of Juniper Networks Apstra before 6.1.1 are vulnerable; upgrade to 6.1.1 or later to remediate insufficient SSH host key validation ↗
- ·The vulnerability is exploitable by an unauthenticated attacker positioned as a MITM on the network path between Apstra and its managed devices; network segmentation and monitoring of SSH traffic on those paths is a key compensating control ↗
CVSS provenance
nvdv3.18.7HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
nvdv4.07.0HIGHCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:U/V:X/RE:M/U:X
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Juniper
CVE-2025-13914: A Key Exchange without Entity Authentication vulnerability in the SSH implementation of Juniper Networks Apstra allows a unauthenticated, MITM
attac
vendor_juniper·2026-04-09·CVSS 8.7
CVE-2025-13914 [HIGH] CWE-322 CVE-2025-13914: A Key Exchange without Entity Authentication vulnerability in the SSH implementation of Juniper Networks Apstra allows a unauthenticated, MITM
attac
CVE-2025-13914: 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.
GHSA
GHSA-3gg3-cwcp-3cpw: A Key Exchange without Entity Authentication vulnerability in the SSH implementation of Juniper Networks Apstra allows a unauthenticated, MITM
attack
ghsa_unreviewed·2026-04-10
CVE-2025-13914 [HIGH] CWE-322 GHSA-3gg3-cwcp-3cpw: A Key Exchange without Entity Authentication vulnerability in the SSH implementation of Juniper Networks Apstra allows a unauthenticated, MITM
attack
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-04-09
Published