How severe is CVE-2019-16556?

CVE-2019-16556 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-16556 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16556?

CVE-2019-16556 affects Jenkins Rundeck. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-16556?

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

When was CVE-2019-16556 published?

CVE-2019-16556 was published on 2019-12-17 and last updated on 2026-06-17.

CVE-2019-16556

CVE-2019-16556 is a medium-severity vulnerability in Jenkins Rundeck with a CVSS 3.x base score of 6.5. 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-522.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-522
Affected product: Jenkins Rundeck
Published: 2019-12-17
Last modified: 2026-06-17

Description

Jenkins Rundeck Plugin 3.6.5 and earlier stores credentials unencrypted in its global configuration file and in job config.xml files on the Jenkins master where they can be viewed by users with Extended Read permission, or access to the master file system.

Frequently asked questions

What is CVE-2019-16556?: Jenkins Rundeck Plugin 3.6.5 and earlier stores credentials unencrypted in its global configuration file and in job config.xml files on the Jenkins master where they can be viewed by users with Extended Read permission, or access to the master file system.
How severe is CVE-2019-16556?: CVE-2019-16556 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-16556 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16556?: CVE-2019-16556 affects Jenkins Rundeck. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-16556?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-16556 published?: CVE-2019-16556 was published on 2019-12-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jenkins:rundeck:*:*:*:*:*:jenkins:*:*

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