How severe is CVE-2019-16559?

CVE-2019-16559 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-16559 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16559?

CVE-2019-16559 affects Jenkins Websphere Deployer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-16559?

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

When was CVE-2019-16559 published?

CVE-2019-16559 was published on 2019-12-17 and last updated on 2026-06-17.

CVE-2019-16559

CVE-2019-16559 is a medium-severity vulnerability in Jenkins Websphere Deployer with a CVSS 3.x base score of 5.4. 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-276.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 5.5
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Jenkins Websphere Deployer
Published: 2019-12-17
Last modified: 2026-06-17

Description

A missing permission check in Jenkins WebSphere Deployer Plugin 1.6.1 and earlier allows attackers with Overall/Read permission to perform connection tests and determine whether files with an attacker-specified path exist on the Jenkins master file system.

Frequently asked questions

What is CVE-2019-16559?: A missing permission check in Jenkins WebSphere Deployer Plugin 1.6.1 and earlier allows attackers with Overall/Read permission to perform connection tests and determine whether files with an attacker-specified path exist on the Jenkins master file system.
How severe is CVE-2019-16559?: CVE-2019-16559 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-16559 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16559?: CVE-2019-16559 affects Jenkins Websphere Deployer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-16559?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-16559 published?: CVE-2019-16559 was published on 2019-12-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jenkins:websphere_deployer:*:*:*:*:*:jenkins:*:*

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