How severe is CVE-2020-2143?

CVE-2020-2143 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-2020-2143 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-2143?

CVE-2020-2143 affects Jenkins Logstash. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-2143?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-2143 published?

CVE-2020-2143 was published on 2020-03-09 and last updated on 2026-06-17.

CVE-2020-2143

CVE-2020-2143 is a medium-severity vulnerability in Jenkins Logstash 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-319.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-319
Affected product: Jenkins Logstash
Published: 2020-03-09
Last modified: 2026-06-17

Description

Jenkins Logstash Plugin 2.3.1 and earlier transmits configured credentials in plain text as part of its global Jenkins configuration form, potentially resulting in their exposure.

Frequently asked questions

What is CVE-2020-2143?: Jenkins Logstash Plugin 2.3.1 and earlier transmits configured credentials in plain text as part of its global Jenkins configuration form, potentially resulting in their exposure.
How severe is CVE-2020-2143?: CVE-2020-2143 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-2020-2143 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-2143?: CVE-2020-2143 affects Jenkins Logstash. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-2143?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-2143 published?: CVE-2020-2143 was published on 2020-03-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jenkins:logstash:*:*:*:*:*:jenkins:*:*

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