CVE-2020-1616: JATP Series: JATP Is susceptible to slow brute force attacks on the SSH service.

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-04-08 · updated 2026-06-17
Weakness: CWE-307

Description

Due to insufficient server-side login attempt limit enforcement, a vulnerability in the SSH login service of Juniper Networks Juniper Advanced Threat Prevention (JATP) Series and Virtual JATP (vJATP) devices allows an unauthenticated, remote attacker to perform multiple login attempts in excess of the configured login attempt limit. Successful exploitation will allow the attacker to perform brute-force password attacks on the SSH service. This issue affects: Juniper Networks JATP and vJATP versions prior to 5.0.6.0.

Affected products

Juniper Advanced Threat Protection: before 5.0.6.0 — fixed in 5.0.6.0
Juniper Virtual Advanced Threat Protection: before 5.0.6.0 — fixed in 5.0.6.0

How to fix

Upgrade to a fixed version: Juniper Advanced Threat Protection 5.0.6.0; Juniper Virtual Advanced Threat Protection 5.0.6.0. Check the vendor advisory for mitigations.

References

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