How severe is CVE-2019-0021?

CVE-2019-0021 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2019-0021 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-0021?

CVE-2019-0021 affects Juniper Advanced Threat Prevention. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-0021?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-0021 published?

CVE-2019-0021 was published on 2019-01-15 and last updated on 2026-06-17.

CVE-2019-0021

CVE-2019-0021 is a high-severity vulnerability in Juniper Advanced Threat Prevention with a CVSS 3.x base score of 7.1. 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-532.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v2: 2.1
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-532
Affected product: Juniper Advanced Threat Prevention
Published: 2019-01-15
Last modified: 2026-06-17

Description

On Juniper ATP, secret passphrase CLI inputs, such as "set mcm", are logged to /var/log/syslog in clear text, allowing authenticated local user to be able to view these secret information. This issue affects Juniper ATP 5.0 versions prior to 5.0.4.

Frequently asked questions

What is CVE-2019-0021?: On Juniper ATP, secret passphrase CLI inputs, such as "set mcm", are logged to /var/log/syslog in clear text, allowing authenticated local user to be able to view these secret information. This issue affects Juniper ATP 5.0 versions prior to 5.0.4.
How severe is CVE-2019-0021?: CVE-2019-0021 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2019-0021 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-0021?: CVE-2019-0021 affects Juniper Advanced Threat Prevention. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-0021?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-0021 published?: CVE-2019-0021 was published on 2019-01-15 and last updated on 2026-06-17.

References

https://kb.juniper.net/JSA10918

Affected products (1)

cpe:2.3:o:juniper:advanced_threat_prevention:*:*:*:*:*:*:*:*

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