CVE-2020-1616

CVE-2020-1616 is a medium-severity vulnerability in Juniper Advanced Threat Protection with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-307.

Key facts

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.

Frequently asked questions

What is CVE-2020-1616?
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.
How severe is CVE-2020-1616?
CVE-2020-1616 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-1616 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1616?
CVE-2020-1616 primarily affects Juniper Advanced Threat Protection. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-1616?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-1616 published?
CVE-2020-1616 was published on 2020-04-08 and last updated on 2026-06-17.

References

Affected products (2)

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